Home / 80,848,510.20-121,278,014.10-42,584,758.20

Finding the Fourth Proportional to 80,848,510.20, 121,278,014.10 and 42,584,758.20

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Solution

The fourth proportional to 80,848,510.20, 121,278,014.10 and 42,584,758.20 is: 63,879,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848,510.20 : 121,278,014.10 = 42,584,758.20 : x
  2. Step 2: Convert to fraction form
    80,848,510.20/121,278,014.10 = 42,584,758.20/x
  3. Step 3: Cross multiply
    80,848,510.20x = 121,278,014.10 × 42,584,758.20
  4. Step 4: Simplify right side
    80,848,510.20x = 5,164,594,905,424,691
  5. Step 5: Solve for x
    x = 5,164,594,905,424,691/80,848,510.20
  6. Step 6: Final answer
    x = 63,879,901.96

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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.