Home / 207,521,619.28-286,385,924.91-113,440,965.46

Finding the Fourth Proportional to 207,521,619.28, 286,385,924.91 and 113,440,965.46

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Solution

The fourth proportional to 207,521,619.28, 286,385,924.91 and 113,440,965.46 is: 156,551,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,521,619.28 : 286,385,924.91 = 113,440,965.46 : x
  2. Step 2: Convert to fraction form
    207,521,619.28/286,385,924.91 = 113,440,965.46/x
  3. Step 3: Cross multiply
    207,521,619.28x = 286,385,924.91 × 113,440,965.46
  4. Step 4: Simplify right side
    207,521,619.28x = 32,487,895,815,945,464
  5. Step 5: Solve for x
    x = 32,487,895,815,945,464/207,521,619.28
  6. Step 6: Final answer
    x = 156,551,861.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.