Home / 177,413,401.80-266,120,102.70-86,595,251.40

Finding the Fourth Proportional to 177,413,401.80, 266,120,102.70 and 86,595,251.40

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Solution

The fourth proportional to 177,413,401.80, 266,120,102.70 and 86,595,251.40 is: 129,892,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,413,401.80 : 266,120,102.70 = 86,595,251.40 : x
  2. Step 2: Convert to fraction form
    177,413,401.80/266,120,102.70 = 86,595,251.40/x
  3. Step 3: Cross multiply
    177,413,401.80x = 266,120,102.70 × 86,595,251.40
  4. Step 4: Simplify right side
    177,413,401.80x = 23,044,737,195,900,320
  5. Step 5: Solve for x
    x = 23,044,737,195,900,320/177,413,401.80
  6. Step 6: Final answer
    x = 129,892,877.10

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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.