Home / 57,779,101.60-86,690,770.80-56,872,247.20

Finding the Fourth Proportional to 57,779,101.60, 86,690,770.80 and 56,872,247.20

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Solution

The fourth proportional to 57,779,101.60, 86,690,770.80 and 56,872,247.20 is: 85,330,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779,101.60 : 86,690,770.80 = 56,872,247.20 : x
  2. Step 2: Convert to fraction form
    57,779,101.60/86,690,770.80 = 56,872,247.20/x
  3. Step 3: Cross multiply
    57,779,101.60x = 86,690,770.80 × 56,872,247.20
  4. Step 4: Simplify right side
    57,779,101.60x = 4,930,298,946,896,142
  5. Step 5: Solve for x
    x = 4,930,298,946,896,142/57,779,101.60
  6. Step 6: Final answer
    x = 85,330,142.05

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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.