Home / 57,174,057.60-85,742,657.28-18,826,441.92

Finding the Fourth Proportional to 57,174,057.60, 85,742,657.28 and 18,826,441.92

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Solution

The fourth proportional to 57,174,057.60, 85,742,657.28 and 18,826,441.92 is: 28,233,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174,057.60 : 85,742,657.28 = 18,826,441.92 : x
  2. Step 2: Convert to fraction form
    57,174,057.60/85,742,657.28 = 18,826,441.92/x
  3. Step 3: Cross multiply
    57,174,057.60x = 85,742,657.28 × 18,826,441.92
  4. Step 4: Simplify right side
    57,174,057.60x = 1,614,229,157,348,385.25
  5. Step 5: Solve for x
    x = 1,614,229,157,348,385.25/57,174,057.60
  6. Step 6: Final answer
    x = 28,233,594.49

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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.