Home / 55,727,999.20-83,591,998.80-42,123,109.60

Finding the Fourth Proportional to 55,727,999.20, 83,591,998.80 and 42,123,109.60

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Solution

The fourth proportional to 55,727,999.20, 83,591,998.80 and 42,123,109.60 is: 63,184,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727,999.20 : 83,591,998.80 = 42,123,109.60 : x
  2. Step 2: Convert to fraction form
    55,727,999.20/83,591,998.80 = 42,123,109.60/x
  3. Step 3: Cross multiply
    55,727,999.20x = 83,591,998.80 × 42,123,109.60
  4. Step 4: Simplify right side
    55,727,999.20x = 3,521,154,927,135,468.50
  5. Step 5: Solve for x
    x = 3,521,154,927,135,468.50/55,727,999.20
  6. Step 6: Final answer
    x = 63,184,664.40

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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.