Home / 86,925,422.70-130,388,134.05-52,488,045.90

Finding the Fourth Proportional to 86,925,422.70, 130,388,134.05 and 52,488,045.90

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Solution

The fourth proportional to 86,925,422.70, 130,388,134.05 and 52,488,045.90 is: 78,732,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,422.70 : 130,388,134.05 = 52,488,045.90 : x
  2. Step 2: Convert to fraction form
    86,925,422.70/130,388,134.05 = 52,488,045.90/x
  3. Step 3: Cross multiply
    86,925,422.70x = 130,388,134.05 × 52,488,045.90
  4. Step 4: Simplify right side
    86,925,422.70x = 6,843,818,364,831,753
  5. Step 5: Solve for x
    x = 6,843,818,364,831,753/86,925,422.70
  6. Step 6: Final answer
    x = 78,732,068.85

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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.