Home / 186,488,706.24-279,665,874.72-78,791,728.32

Finding the Fourth Proportional to 186,488,706.24, 279,665,874.72 and 78,791,728.32

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Solution

The fourth proportional to 186,488,706.24, 279,665,874.72 and 78,791,728.32 is: 118,159,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,488,706.24 : 279,665,874.72 = 78,791,728.32 : x
  2. Step 2: Convert to fraction form
    186,488,706.24/279,665,874.72 = 78,791,728.32/x
  3. Step 3: Cross multiply
    186,488,706.24x = 279,665,874.72 × 78,791,728.32
  4. Step 4: Simplify right side
    186,488,706.24x = 22,035,357,621,313,396
  5. Step 5: Solve for x
    x = 22,035,357,621,313,396/186,488,706.24
  6. Step 6: Final answer
    x = 118,159,206.88

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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.