Home / 91,109,966.40-136,676,937.60-33,642,604.80

Finding the Fourth Proportional to 91,109,966.40, 136,676,937.60 and 33,642,604.80

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Solution

The fourth proportional to 91,109,966.40, 136,676,937.60 and 33,642,604.80 is: 50,468,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,109,966.40 : 136,676,937.60 = 33,642,604.80 : x
  2. Step 2: Convert to fraction form
    91,109,966.40/136,676,937.60 = 33,642,604.80/x
  3. Step 3: Cross multiply
    91,109,966.40x = 136,676,937.60 × 33,642,604.80
  4. Step 4: Simplify right side
    91,109,966.40x = 4,598,168,196,951,060
  5. Step 5: Solve for x
    x = 4,598,168,196,951,060/91,109,966.40
  6. Step 6: Final answer
    x = 50,468,333.80

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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.