Home / 177,984,012.90-266,976,019.35-126,587,763.30

Finding the Fourth Proportional to 177,984,012.90, 266,976,019.35 and 126,587,763.30

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Solution

The fourth proportional to 177,984,012.90, 266,976,019.35 and 126,587,763.30 is: 189,881,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984,012.90 : 266,976,019.35 = 126,587,763.30 : x
  2. Step 2: Convert to fraction form
    177,984,012.90/266,976,019.35 = 126,587,763.30/x
  3. Step 3: Cross multiply
    177,984,012.90x = 266,976,019.35 × 126,587,763.30
  4. Step 4: Simplify right side
    177,984,012.90x = 33,795,897,144,254,020
  5. Step 5: Solve for x
    x = 33,795,897,144,254,020/177,984,012.90
  6. Step 6: Final answer
    x = 189,881,644.95

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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.