Home / 84,036,699.60-126,055,049.40-51,583,369.20

Finding the Fourth Proportional to 84,036,699.60, 126,055,049.40 and 51,583,369.20

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Solution

The fourth proportional to 84,036,699.60, 126,055,049.40 and 51,583,369.20 is: 77,375,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,036,699.60 : 126,055,049.40 = 51,583,369.20 : x
  2. Step 2: Convert to fraction form
    84,036,699.60/126,055,049.40 = 51,583,369.20/x
  3. Step 3: Cross multiply
    84,036,699.60x = 126,055,049.40 × 51,583,369.20
  4. Step 4: Simplify right side
    84,036,699.60x = 6,502,344,152,724,439
  5. Step 5: Solve for x
    x = 6,502,344,152,724,439/84,036,699.60
  6. Step 6: Final answer
    x = 77,375,053.80

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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.