Home / 76,791,444.60-115,187,166.90-56,384,110.20

Finding the Fourth Proportional to 76,791,444.60, 115,187,166.90 and 56,384,110.20

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Solution

The fourth proportional to 76,791,444.60, 115,187,166.90 and 56,384,110.20 is: 84,576,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,791,444.60 : 115,187,166.90 = 56,384,110.20 : x
  2. Step 2: Convert to fraction form
    76,791,444.60/115,187,166.90 = 56,384,110.20/x
  3. Step 3: Cross multiply
    76,791,444.60x = 115,187,166.90 × 56,384,110.20
  4. Step 4: Simplify right side
    76,791,444.60x = 6,494,725,912,115,393
  5. Step 5: Solve for x
    x = 6,494,725,912,115,393/76,791,444.60
  6. Step 6: Final answer
    x = 84,576,165.30

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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.