Home / 78,912,000.80-118,368,001.20-22,178,304.80

Finding the Fourth Proportional to 78,912,000.80, 118,368,001.20 and 22,178,304.80

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Solution

The fourth proportional to 78,912,000.80, 118,368,001.20 and 22,178,304.80 is: 33,267,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,912,000.80 : 118,368,001.20 = 22,178,304.80 : x
  2. Step 2: Convert to fraction form
    78,912,000.80/118,368,001.20 = 22,178,304.80/x
  3. Step 3: Cross multiply
    78,912,000.80x = 118,368,001.20 × 22,178,304.80
  4. Step 4: Simplify right side
    78,912,000.80x = 2,625,201,609,180,366
  5. Step 5: Solve for x
    x = 2,625,201,609,180,366/78,912,000.80
  6. Step 6: Final answer
    x = 33,267,457.20

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Similar ratio
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1.5x scale

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.