Home / 418,013,099.96-627,264,152.28-155,878,747.18

Finding the Fourth Proportional to 418,013,099.96, 627,264,152.28 and 155,878,747.18

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Solution

The fourth proportional to 418,013,099.96, 627,264,152.28 and 155,878,747.18 is: 233,909,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,013,099.96 : 627,264,152.28 = 155,878,747.18 : x
  2. Step 2: Convert to fraction form
    418,013,099.96/627,264,152.28 = 155,878,747.18/x
  3. Step 3: Cross multiply
    418,013,099.96x = 627,264,152.28 × 155,878,747.18
  4. Step 4: Simplify right side
    418,013,099.96x = 97,777,150,206,762,976
  5. Step 5: Solve for x
    x = 97,777,150,206,762,976/418,013,099.96
  6. Step 6: Final answer
    x = 233,909,296.66

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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.