Home / 117,996,680.70-162,836,101.80-65,788,966.62

Finding the Fourth Proportional to 117,996,680.70, 162,836,101.80 and 65,788,966.62

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Solution

The fourth proportional to 117,996,680.70, 162,836,101.80 and 65,788,966.62 is: 90,789,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996,680.70 : 162,836,101.80 = 65,788,966.62 : x
  2. Step 2: Convert to fraction form
    117,996,680.70/162,836,101.80 = 65,788,966.62/x
  3. Step 3: Cross multiply
    117,996,680.70x = 162,836,101.80 × 65,788,966.62
  4. Step 4: Simplify right side
    117,996,680.70x = 10,712,818,865,851,122
  5. Step 5: Solve for x
    x = 10,712,818,865,851,122/117,996,680.70
  6. Step 6: Final answer
    x = 90,789,154.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.