Home / 76,687,196.60-115,042,146.85-28,161,267.01

Finding the Fourth Proportional to 76,687,196.60, 115,042,146.85 and 28,161,267.01

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Solution

The fourth proportional to 76,687,196.60, 115,042,146.85 and 28,161,267.01 is: 42,246,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687,196.60 : 115,042,146.85 = 28,161,267.01 : x
  2. Step 2: Convert to fraction form
    76,687,196.60/115,042,146.85 = 28,161,267.01/x
  3. Step 3: Cross multiply
    76,687,196.60x = 115,042,146.85 × 28,161,267.01
  4. Step 4: Simplify right side
    76,687,196.60x = 3,239,732,614,846,480.50
  5. Step 5: Solve for x
    x = 3,239,732,614,846,480.50/76,687,196.60
  6. Step 6: Final answer
    x = 42,246,069.21

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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.