Home / 52,178,279.17-72,012,668.25-31,551,872.98

Finding the Fourth Proportional to 52,178,279.17, 72,012,668.25 and 31,551,872.98

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Solution

The fourth proportional to 52,178,279.17, 72,012,668.25 and 31,551,872.98 is: 43,545,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,279.17 : 72,012,668.25 = 31,551,872.98 : x
  2. Step 2: Convert to fraction form
    52,178,279.17/72,012,668.25 = 31,551,872.98/x
  3. Step 3: Cross multiply
    52,178,279.17x = 72,012,668.25 × 31,551,872.98
  4. Step 4: Simplify right side
    52,178,279.17x = 2,272,134,561,574,879
  5. Step 5: Solve for x
    x = 2,272,134,561,574,879/52,178,279.17
  6. Step 6: Final answer
    x = 43,545,601.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.