Home / 55,728,077.20-83,592,115.80-42,123,187.60

Finding the Fourth Proportional to 55,728,077.20, 83,592,115.80 and 42,123,187.60

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Solution

The fourth proportional to 55,728,077.20, 83,592,115.80 and 42,123,187.60 is: 63,184,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728,077.20 : 83,592,115.80 = 42,123,187.60 : x
  2. Step 2: Convert to fraction form
    55,728,077.20/83,592,115.80 = 42,123,187.60/x
  3. Step 3: Cross multiply
    55,728,077.20x = 83,592,115.80 × 42,123,187.60
  4. Step 4: Simplify right side
    55,728,077.20x = 3,521,166,375,724,324
  5. Step 5: Solve for x
    x = 3,521,166,375,724,324/55,728,077.20
  6. Step 6: Final answer
    x = 63,184,781.40

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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.