Home / 55,728,078.20-83,592,117.30-42,123,188.60

Finding the Fourth Proportional to 55,728,078.20, 83,592,117.30 and 42,123,188.60

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Solution

The fourth proportional to 55,728,078.20, 83,592,117.30 and 42,123,188.60 is: 63,184,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728,078.20 : 83,592,117.30 = 42,123,188.60 : x
  2. Step 2: Convert to fraction form
    55,728,078.20/83,592,117.30 = 42,123,188.60/x
  3. Step 3: Cross multiply
    55,728,078.20x = 83,592,117.30 × 42,123,188.60
  4. Step 4: Simplify right side
    55,728,078.20x = 3,521,166,522,501,223
  5. Step 5: Solve for x
    x = 3,521,166,522,501,223/55,728,078.20
  6. Step 6: Final answer
    x = 63,184,782.90

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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.