Home / 266,059,992.40-398,791,390.20-112,679,947.60

Finding the Fourth Proportional to 266,059,992.40, 398,791,390.20 and 112,679,947.60

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Solution

The fourth proportional to 266,059,992.40, 398,791,390.20 and 112,679,947.60 is: 168,893,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,059,992.40 : 398,791,390.20 = 112,679,947.60 : x
  2. Step 2: Convert to fraction form
    266,059,992.40/398,791,390.20 = 112,679,947.60/x
  3. Step 3: Cross multiply
    266,059,992.40x = 398,791,390.20 × 112,679,947.60
  4. Step 4: Simplify right side
    266,059,992.40x = 44,935,792,951,067,152
  5. Step 5: Solve for x
    x = 44,935,792,951,067,152/266,059,992.40
  6. Step 6: Final answer
    x = 168,893,461.00

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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.