Home / 103,690,388,036.30-155,535,582,054.45-99,627,061,009.10

Finding the Fourth Proportional to 103,690,388,036.30, 155,535,582,054.45 and 99,627,061,009.10

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Solution

The fourth proportional to 103,690,388,036.30, 155,535,582,054.45 and 99,627,061,009.10 is: 149,440,591,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,388,036.30 : 155,535,582,054.45 = 99,627,061,009.10 : x
  2. Step 2: Convert to fraction form
    103,690,388,036.30/155,535,582,054.45 = 99,627,061,009.10/x
  3. Step 3: Cross multiply
    103,690,388,036.30x = 155,535,582,054.45 × 99,627,061,009.10
  4. Step 4: Simplify right side
    103,690,388,036.30x = 15,495,552,922,424,570,806,272
  5. Step 5: Solve for x
    x = 15,495,552,922,424,570,806,272/103,690,388,036.30
  6. Step 6: Final answer
    x = 149,440,591,513.65

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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.