Home / 57,740,557.04-79,681,966.68-31,636,063.76

Finding the Fourth Proportional to 57,740,557.04, 79,681,966.68 and 31,636,063.76

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Solution

The fourth proportional to 57,740,557.04, 79,681,966.68 and 31,636,063.76 is: 43,657,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740,557.04 : 79,681,966.68 = 31,636,063.76 : x
  2. Step 2: Convert to fraction form
    57,740,557.04/79,681,966.68 = 31,636,063.76/x
  3. Step 3: Cross multiply
    57,740,557.04x = 79,681,966.68 × 31,636,063.76
  4. Step 4: Simplify right side
    57,740,557.04x = 2,520,823,778,410,676
  5. Step 5: Solve for x
    x = 2,520,823,778,410,676/57,740,557.04
  6. Step 6: Final answer
    x = 43,657,766.87

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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.