Home / 178,917,967.80-268,376,951.70-101,115,005.40

Finding the Fourth Proportional to 178,917,967.80, 268,376,951.70 and 101,115,005.40

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Solution

The fourth proportional to 178,917,967.80, 268,376,951.70 and 101,115,005.40 is: 151,672,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,917,967.80 : 268,376,951.70 = 101,115,005.40 : x
  2. Step 2: Convert to fraction form
    178,917,967.80/268,376,951.70 = 101,115,005.40/x
  3. Step 3: Cross multiply
    178,917,967.80x = 268,376,951.70 × 101,115,005.40
  4. Step 4: Simplify right side
    178,917,967.80x = 27,136,936,920,381,040
  5. Step 5: Solve for x
    x = 27,136,936,920,381,040/178,917,967.80
  6. Step 6: Final answer
    x = 151,672,508.10

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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.