Home / 103,836,587.08-155,632,564.14-42,387,369.16

Finding the Fourth Proportional to 103,836,587.08, 155,632,564.14 and 42,387,369.16

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Solution

The fourth proportional to 103,836,587.08, 155,632,564.14 and 42,387,369.16 is: 63,531,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,836,587.08 : 155,632,564.14 = 42,387,369.16 : x
  2. Step 2: Convert to fraction form
    103,836,587.08/155,632,564.14 = 42,387,369.16/x
  3. Step 3: Cross multiply
    103,836,587.08x = 155,632,564.14 × 42,387,369.16
  4. Step 4: Simplify right side
    103,836,587.08x = 6,596,854,949,519,557
  5. Step 5: Solve for x
    x = 6,596,854,949,519,557/103,836,587.08
  6. Step 6: Final answer
    x = 63,531,122.65

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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.