Home / 56,971,486.60-78,620,545.10-30,866,653.24

Finding the Fourth Proportional to 56,971,486.60, 78,620,545.10 and 30,866,653.24

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Solution

The fourth proportional to 56,971,486.60, 78,620,545.10 and 30,866,653.24 is: 42,595,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971,486.60 : 78,620,545.10 = 30,866,653.24 : x
  2. Step 2: Convert to fraction form
    56,971,486.60/78,620,545.10 = 30,866,653.24/x
  3. Step 3: Cross multiply
    56,971,486.60x = 78,620,545.10 × 30,866,653.24
  4. Step 4: Simplify right side
    56,971,486.60x = 2,426,753,103,141,481
  5. Step 5: Solve for x
    x = 2,426,753,103,141,481/56,971,486.60
  6. Step 6: Final answer
    x = 42,595,923.82

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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.