Home / 257,603,715.20-386,704,171.20-155,483,062.40

Finding the Fourth Proportional to 257,603,715.20, 386,704,171.20 and 155,483,062.40

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Solution

The fourth proportional to 257,603,715.20, 386,704,171.20 and 155,483,062.40 is: 233,404,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,603,715.20 : 386,704,171.20 = 155,483,062.40 : x
  2. Step 2: Convert to fraction form
    257,603,715.20/386,704,171.20 = 155,483,062.40/x
  3. Step 3: Cross multiply
    257,603,715.20x = 386,704,171.20 × 155,483,062.40
  4. Step 4: Simplify right side
    257,603,715.20x = 60,125,948,781,029,880
  5. Step 5: Solve for x
    x = 60,125,948,781,029,880/257,603,715.20
  6. Step 6: Final answer
    x = 233,404,820.01

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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.