Home / 207,521,616.78-286,385,921.46-113,440,962.96

Finding the Fourth Proportional to 207,521,616.78, 286,385,921.46 and 113,440,962.96

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Solution

The fourth proportional to 207,521,616.78, 286,385,921.46 and 113,440,962.96 is: 156,551,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,521,616.78 : 286,385,921.46 = 113,440,962.96 : x
  2. Step 2: Convert to fraction form
    207,521,616.78/286,385,921.46 = 113,440,962.96/x
  3. Step 3: Cross multiply
    207,521,616.78x = 286,385,921.46 × 113,440,962.96
  4. Step 4: Simplify right side
    207,521,616.78x = 32,487,894,708,609,324
  5. Step 5: Solve for x
    x = 32,487,894,708,609,324/207,521,616.78
  6. Step 6: Final answer
    x = 156,551,858.13

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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.