Home / 151,554,175.15-209,129,143.98-111,882,805.71

Finding the Fourth Proportional to 151,554,175.15, 209,129,143.98 and 111,882,805.71

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Solution

The fourth proportional to 151,554,175.15, 209,129,143.98 and 111,882,805.71 is: 154,386,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,554,175.15 : 209,129,143.98 = 111,882,805.71 : x
  2. Step 2: Convert to fraction form
    151,554,175.15/209,129,143.98 = 111,882,805.71/x
  3. Step 3: Cross multiply
    151,554,175.15x = 209,129,143.98 × 111,882,805.71
  4. Step 4: Simplify right side
    151,554,175.15x = 23,397,955,383,848,280
  5. Step 5: Solve for x
    x = 23,397,955,383,848,280/151,554,175.15
  6. Step 6: Final answer
    x = 154,386,742.30

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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.