Home / 132,128,566.20-198,192,849.30-91,313,897.40

Finding the Fourth Proportional to 132,128,566.20, 198,192,849.30 and 91,313,897.40

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Solution

The fourth proportional to 132,128,566.20, 198,192,849.30 and 91,313,897.40 is: 136,970,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128,566.20 : 198,192,849.30 = 91,313,897.40 : x
  2. Step 2: Convert to fraction form
    132,128,566.20/198,192,849.30 = 91,313,897.40/x
  3. Step 3: Cross multiply
    132,128,566.20x = 198,192,849.30 × 91,313,897.40
  4. Step 4: Simplify right side
    132,128,566.20x = 18,097,761,506,393,864
  5. Step 5: Solve for x
    x = 18,097,761,506,393,864/132,128,566.20
  6. Step 6: Final answer
    x = 136,970,846.10

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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.