Home / 88,573,857.80-132,748,812.30-78,944,059.40

Finding the Fourth Proportional to 88,573,857.80, 132,748,812.30 and 78,944,059.40

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Solution

The fourth proportional to 88,573,857.80, 132,748,812.30 and 78,944,059.40 is: 118,316,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,857.80 : 132,748,812.30 = 78,944,059.40 : x
  2. Step 2: Convert to fraction form
    88,573,857.80/132,748,812.30 = 78,944,059.40/x
  3. Step 3: Cross multiply
    88,573,857.80x = 132,748,812.30 × 78,944,059.40
  4. Step 4: Simplify right side
    88,573,857.80x = 10,479,730,123,490,652
  5. Step 5: Solve for x
    x = 10,479,730,123,490,652/88,573,857.80
  6. Step 6: Final answer
    x = 118,316,288.62

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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.