Home / 68,832,001.80-103,248,002.70-48,228,712.20

Finding the Fourth Proportional to 68,832,001.80, 103,248,002.70 and 48,228,712.20

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Solution

The fourth proportional to 68,832,001.80, 103,248,002.70 and 48,228,712.20 is: 72,343,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,832,001.80 : 103,248,002.70 = 48,228,712.20 : x
  2. Step 2: Convert to fraction form
    68,832,001.80/103,248,002.70 = 48,228,712.20/x
  3. Step 3: Cross multiply
    68,832,001.80x = 103,248,002.70 × 48,228,712.20
  4. Step 4: Simplify right side
    68,832,001.80x = 4,979,518,207,443,123
  5. Step 5: Solve for x
    x = 4,979,518,207,443,123/68,832,001.80
  6. Step 6: Final answer
    x = 72,343,068.30

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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.