Home / 103,690,388,032.05-155,535,582,048.08-99,627,061,004.85

Finding the Fourth Proportional to 103,690,388,032.05, 155,535,582,048.08 and 99,627,061,004.85

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Solution

The fourth proportional to 103,690,388,032.05, 155,535,582,048.08 and 99,627,061,004.85 is: 149,440,591,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,388,032.05 : 155,535,582,048.08 = 99,627,061,004.85 : x
  2. Step 2: Convert to fraction form
    103,690,388,032.05/155,535,582,048.08 = 99,627,061,004.85/x
  3. Step 3: Cross multiply
    103,690,388,032.05x = 155,535,582,048.08 × 99,627,061,004.85
  4. Step 4: Simplify right side
    103,690,388,032.05x = 15,495,552,921,128,918,843,392
  5. Step 5: Solve for x
    x = 15,495,552,921,128,918,843,392/103,690,388,032.05
  6. Step 6: Final answer
    x = 149,440,591,507.28

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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.