Home / 68,182,331.20-102,336,482.40-34,128,116.80

Finding the Fourth Proportional to 68,182,331.20, 102,336,482.40 and 34,128,116.80

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Solution

The fourth proportional to 68,182,331.20, 102,336,482.40 and 34,128,116.80 is: 51,223,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,182,331.20 : 102,336,482.40 = 34,128,116.80 : x
  2. Step 2: Convert to fraction form
    68,182,331.20/102,336,482.40 = 34,128,116.80/x
  3. Step 3: Cross multiply
    68,182,331.20x = 102,336,482.40 × 34,128,116.80
  4. Step 4: Simplify right side
    68,182,331.20x = 3,492,551,424,248,344
  5. Step 5: Solve for x
    x = 3,492,551,424,248,344/68,182,331.20
  6. Step 6: Final answer
    x = 51,223,702.13

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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.