Home / 408,945,349.20-613,402,277.40-136,316,116.20

Finding the Fourth Proportional to 408,945,349.20, 613,402,277.40 and 136,316,116.20

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Solution

The fourth proportional to 408,945,349.20, 613,402,277.40 and 136,316,116.20 is: 204,468,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,945,349.20 : 613,402,277.40 = 136,316,116.20 : x
  2. Step 2: Convert to fraction form
    408,945,349.20/613,402,277.40 = 136,316,116.20/x
  3. Step 3: Cross multiply
    408,945,349.20x = 613,402,277.40 × 136,316,116.20
  4. Step 4: Simplify right side
    408,945,349.20x = 83,616,616,123,403,024
  5. Step 5: Solve for x
    x = 83,616,616,123,403,024/408,945,349.20
  6. Step 6: Final answer
    x = 204,468,925.46

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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.