Home / 78,597,152.87-108,465,257.18-45,112,170.83

Finding the Fourth Proportional to 78,597,152.87, 108,465,257.18 and 45,112,170.83

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Solution

The fourth proportional to 78,597,152.87, 108,465,257.18 and 45,112,170.83 is: 62,255,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,597,152.87 : 108,465,257.18 = 45,112,170.83 : x
  2. Step 2: Convert to fraction form
    78,597,152.87/108,465,257.18 = 45,112,170.83/x
  3. Step 3: Cross multiply
    78,597,152.87x = 108,465,257.18 × 45,112,170.83
  4. Step 4: Simplify right side
    78,597,152.87x = 4,893,103,210,594,499
  5. Step 5: Solve for x
    x = 4,893,103,210,594,499/78,597,152.87
  6. Step 6: Final answer
    x = 62,255,476.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.