Home / 186,451,257.30-279,676,885.95-147,904,070.10

Finding the Fourth Proportional to 186,451,257.30, 279,676,885.95 and 147,904,070.10

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Solution

The fourth proportional to 186,451,257.30, 279,676,885.95 and 147,904,070.10 is: 221,856,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,451,257.30 : 279,676,885.95 = 147,904,070.10 : x
  2. Step 2: Convert to fraction form
    186,451,257.30/279,676,885.95 = 147,904,070.10/x
  3. Step 3: Cross multiply
    186,451,257.30x = 279,676,885.95 × 147,904,070.10
  4. Step 4: Simplify right side
    186,451,257.30x = 41,365,349,744,898,504
  5. Step 5: Solve for x
    x = 41,365,349,744,898,504/186,451,257.30
  6. Step 6: Final answer
    x = 221,856,105.15

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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.