Home / 408,945,307.20-613,402,214.40-136,316,074.20

Finding the Fourth Proportional to 408,945,307.20, 613,402,214.40 and 136,316,074.20

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Solution

The fourth proportional to 408,945,307.20, 613,402,214.40 and 136,316,074.20 is: 204,468,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,945,307.20 : 613,402,214.40 = 136,316,074.20 : x
  2. Step 2: Convert to fraction form
    408,945,307.20/613,402,214.40 = 136,316,074.20/x
  3. Step 3: Cross multiply
    408,945,307.20x = 613,402,214.40 × 136,316,074.20
  4. Step 4: Simplify right side
    408,945,307.20x = 83,616,581,772,594,704
  5. Step 5: Solve for x
    x = 83,616,581,772,594,704/408,945,307.20
  6. Step 6: Final answer
    x = 204,468,862.46

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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.