Home / 103,690,388,039.55-155,535,582,059.33-99,627,061,012.35

Finding the Fourth Proportional to 103,690,388,039.55, 155,535,582,059.33 and 99,627,061,012.35

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Solution

The fourth proportional to 103,690,388,039.55, 155,535,582,059.33 and 99,627,061,012.35 is: 149,440,591,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,388,039.55 : 155,535,582,059.33 = 99,627,061,012.35 : x
  2. Step 2: Convert to fraction form
    103,690,388,039.55/155,535,582,059.33 = 99,627,061,012.35/x
  3. Step 3: Cross multiply
    103,690,388,039.55x = 155,535,582,059.33 × 99,627,061,012.35
  4. Step 4: Simplify right side
    103,690,388,039.55x = 15,495,552,923,416,240,586,752
  5. Step 5: Solve for x
    x = 15,495,552,923,416,240,586,752/103,690,388,039.55
  6. Step 6: Final answer
    x = 149,440,591,518.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.