Home / 55,728,000.20-83,592,000.30-42,123,110.60

Finding the Fourth Proportional to 55,728,000.20, 83,592,000.30 and 42,123,110.60

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Solution

The fourth proportional to 55,728,000.20, 83,592,000.30 and 42,123,110.60 is: 63,184,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728,000.20 : 83,592,000.30 = 42,123,110.60 : x
  2. Step 2: Convert to fraction form
    55,728,000.20/83,592,000.30 = 42,123,110.60/x
  3. Step 3: Cross multiply
    55,728,000.20x = 83,592,000.30 × 42,123,110.60
  4. Step 4: Simplify right side
    55,728,000.20x = 3,521,155,073,912,133
  5. Step 5: Solve for x
    x = 3,521,155,073,912,133/55,728,000.20
  6. Step 6: Final answer
    x = 63,184,665.90

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1.5x scale

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.