Home / 77,223,875.60-115,834,042.20-38,875,091.60

Finding the Fourth Proportional to 77,223,875.60, 115,834,042.20 and 38,875,091.60

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Solution

The fourth proportional to 77,223,875.60, 115,834,042.20 and 38,875,091.60 is: 58,311,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,223,875.60 : 115,834,042.20 = 38,875,091.60 : x
  2. Step 2: Convert to fraction form
    77,223,875.60/115,834,042.20 = 38,875,091.60/x
  3. Step 3: Cross multiply
    77,223,875.60x = 115,834,042.20 × 38,875,091.60
  4. Step 4: Simplify right side
    77,223,875.60x = 4,503,059,000,923,266
  5. Step 5: Solve for x
    x = 4,503,059,000,923,266/77,223,875.60
  6. Step 6: Final answer
    x = 58,311,745.76

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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.