Home / 77,567,000.40-116,350,500.60-54,608,749.20

Finding the Fourth Proportional to 77,567,000.40, 116,350,500.60 and 54,608,749.20

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Solution

The fourth proportional to 77,567,000.40, 116,350,500.60 and 54,608,749.20 is: 81,913,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,000.40 : 116,350,500.60 = 54,608,749.20 : x
  2. Step 2: Convert to fraction form
    77,567,000.40/116,350,500.60 = 54,608,749.20/x
  3. Step 3: Cross multiply
    77,567,000.40x = 116,350,500.60 × 54,608,749.20
  4. Step 4: Simplify right side
    77,567,000.40x = 6,353,755,306,559,850
  5. Step 5: Solve for x
    x = 6,353,755,306,559,850/77,567,000.40
  6. Step 6: Final answer
    x = 81,913,123.80

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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.