Home / 52,436,115.74-72,366,147.96-28,919,252.12

Finding the Fourth Proportional to 52,436,115.74, 72,366,147.96 and 28,919,252.12

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Solution

The fourth proportional to 52,436,115.74, 72,366,147.96 and 28,919,252.12 is: 39,910,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436,115.74 : 72,366,147.96 = 28,919,252.12 : x
  2. Step 2: Convert to fraction form
    52,436,115.74/72,366,147.96 = 28,919,252.12/x
  3. Step 3: Cross multiply
    52,436,115.74x = 72,366,147.96 × 28,919,252.12
  4. Step 4: Simplify right side
    52,436,115.74x = 2,092,774,877,808,463.50
  5. Step 5: Solve for x
    x = 2,092,774,877,808,463.50/52,436,115.74
  6. Step 6: Final answer
    x = 39,910,943.98

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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.