Home / 51,695,999.70-77,543,999.55-42,130,061.70

Finding the Fourth Proportional to 51,695,999.70, 77,543,999.55 and 42,130,061.70

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Solution

The fourth proportional to 51,695,999.70, 77,543,999.55 and 42,130,061.70 is: 63,195,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695,999.70 : 77,543,999.55 = 42,130,061.70 : x
  2. Step 2: Convert to fraction form
    51,695,999.70/77,543,999.55 = 42,130,061.70/x
  3. Step 3: Cross multiply
    51,695,999.70x = 77,543,999.55 × 42,130,061.70
  4. Step 4: Simplify right side
    51,695,999.70x = 3,266,933,485,506,272.50
  5. Step 5: Solve for x
    x = 3,266,933,485,506,272.50/51,695,999.70
  6. Step 6: Final answer
    x = 63,195,092.55

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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.