Home / 57,672,059.40-86,508,089.10-55,656,520.20

Finding the Fourth Proportional to 57,672,059.40, 86,508,089.10 and 55,656,520.20

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Solution

The fourth proportional to 57,672,059.40, 86,508,089.10 and 55,656,520.20 is: 83,484,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,059.40 : 86,508,089.10 = 55,656,520.20 : x
  2. Step 2: Convert to fraction form
    57,672,059.40/86,508,089.10 = 55,656,520.20/x
  3. Step 3: Cross multiply
    57,672,059.40x = 86,508,089.10 × 55,656,520.20
  4. Step 4: Simplify right side
    57,672,059.40x = 4,814,739,208,457,550
  5. Step 5: Solve for x
    x = 4,814,739,208,457,550/57,672,059.40
  6. Step 6: Final answer
    x = 83,484,780.30

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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.