Home / 247,942,678.68-371,913,962.63-90,387,505.01

Finding the Fourth Proportional to 247,942,678.68, 371,913,962.63 and 90,387,505.01

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Solution

The fourth proportional to 247,942,678.68, 371,913,962.63 and 90,387,505.01 is: 135,581,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942,678.68 : 371,913,962.63 = 90,387,505.01 : x
  2. Step 2: Convert to fraction form
    247,942,678.68/371,913,962.63 = 90,387,505.01/x
  3. Step 3: Cross multiply
    247,942,678.68x = 371,913,962.63 × 90,387,505.01
  4. Step 4: Simplify right side
    247,942,678.68x = 33,616,375,160,508,080
  5. Step 5: Solve for x
    x = 33,616,375,160,508,080/247,942,678.68
  6. Step 6: Final answer
    x = 135,581,237.32

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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.