Home / 151,840,612.65-209,540,247.53-82,226,113.59

Finding the Fourth Proportional to 151,840,612.65, 209,540,247.53 and 82,226,113.59

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Solution

The fourth proportional to 151,840,612.65, 209,540,247.53 and 82,226,113.59 is: 113,472,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840,612.65 : 209,540,247.53 = 82,226,113.59 : x
  2. Step 2: Convert to fraction form
    151,840,612.65/209,540,247.53 = 82,226,113.59/x
  3. Step 3: Cross multiply
    151,840,612.65x = 209,540,247.53 × 82,226,113.59
  4. Step 4: Simplify right side
    151,840,612.65x = 17,229,680,194,343,704
  5. Step 5: Solve for x
    x = 17,229,680,194,343,704/151,840,612.65
  6. Step 6: Final answer
    x = 113,472,146.18

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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.