Home / 63,139,891.56-94,712,471.46-20,008,140

Finding the Fourth Proportional to 63,139,891.56, 94,712,471.46 and 20,008,140

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Solution

The fourth proportional to 63,139,891.56, 94,712,471.46 and 20,008,140 is: 30,013,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139,891.56 : 94,712,471.46 = 20,008,140 : x
  2. Step 2: Convert to fraction form
    63,139,891.56/94,712,471.46 = 20,008,140/x
  3. Step 3: Cross multiply
    63,139,891.56x = 94,712,471.46 × 20,008,140
  4. Step 4: Simplify right side
    63,139,891.56x = 1,895,020,388,717,684.25
  5. Step 5: Solve for x
    x = 1,895,020,388,717,684.25/63,139,891.56
  6. Step 6: Final answer
    x = 30,013,044.72

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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.