Home / 78,304,807.16-117,278,292.18-37,392,904.28

Finding the Fourth Proportional to 78,304,807.16, 117,278,292.18 and 37,392,904.28

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Solution

The fourth proportional to 78,304,807.16, 117,278,292.18 and 37,392,904.28 is: 56,003,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,304,807.16 : 117,278,292.18 = 37,392,904.28 : x
  2. Step 2: Convert to fraction form
    78,304,807.16/117,278,292.18 = 37,392,904.28/x
  3. Step 3: Cross multiply
    78,304,807.16x = 117,278,292.18 × 37,392,904.28
  4. Step 4: Simplify right side
    78,304,807.16x = 4,385,375,953,608,613
  5. Step 5: Solve for x
    x = 4,385,375,953,608,613/78,304,807.16
  6. Step 6: Final answer
    x = 56,003,917.42

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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.