Home / 88,731,660.20-133,097,490.30-85,330,437.80

Finding the Fourth Proportional to 88,731,660.20, 133,097,490.30 and 85,330,437.80

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Solution

The fourth proportional to 88,731,660.20, 133,097,490.30 and 85,330,437.80 is: 127,995,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731,660.20 : 133,097,490.30 = 85,330,437.80 : x
  2. Step 2: Convert to fraction form
    88,731,660.20/133,097,490.30 = 85,330,437.80/x
  3. Step 3: Cross multiply
    88,731,660.20x = 133,097,490.30 × 85,330,437.80
  4. Step 4: Simplify right side
    88,731,660.20x = 11,357,267,117,380,252
  5. Step 5: Solve for x
    x = 11,357,267,117,380,252/88,731,660.20
  6. Step 6: Final answer
    x = 127,995,656.70

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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.