Home / 82,046,985.10-123,089,140.05-47,950,780.30

Finding the Fourth Proportional to 82,046,985.10, 123,089,140.05 and 47,950,780.30

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Solution

The fourth proportional to 82,046,985.10, 123,089,140.05 and 47,950,780.30 is: 71,937,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,985.10 : 123,089,140.05 = 47,950,780.30 : x
  2. Step 2: Convert to fraction form
    82,046,985.10/123,089,140.05 = 47,950,780.30/x
  3. Step 3: Cross multiply
    82,046,985.10x = 123,089,140.05 × 47,950,780.30
  4. Step 4: Simplify right side
    82,046,985.10x = 5,902,220,311,853,481
  5. Step 5: Solve for x
    x = 5,902,220,311,853,481/82,046,985.10
  6. Step 6: Final answer
    x = 71,937,077.33

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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.