Home / 63,139,876.56-94,712,448.96-20,008,125.36

Finding the Fourth Proportional to 63,139,876.56, 94,712,448.96 and 20,008,125.36

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Solution

The fourth proportional to 63,139,876.56, 94,712,448.96 and 20,008,125.36 is: 30,013,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139,876.56 : 94,712,448.96 = 20,008,125.36 : x
  2. Step 2: Convert to fraction form
    63,139,876.56/94,712,448.96 = 20,008,125.36/x
  3. Step 3: Cross multiply
    63,139,876.56x = 94,712,448.96 × 20,008,125.36
  4. Step 4: Simplify right side
    63,139,876.56x = 1,895,018,551,944,281.50
  5. Step 5: Solve for x
    x = 1,895,018,551,944,281.50/63,139,876.56
  6. Step 6: Final answer
    x = 30,013,022.76

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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.