Home / 207,427,545.60-310,892,486.40-86,196,595.20

Finding the Fourth Proportional to 207,427,545.60, 310,892,486.40 and 86,196,595.20

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Solution

The fourth proportional to 207,427,545.60, 310,892,486.40 and 86,196,595.20 is: 129,191,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,427,545.60 : 310,892,486.40 = 86,196,595.20 : x
  2. Step 2: Convert to fraction form
    207,427,545.60/310,892,486.40 = 86,196,595.20/x
  3. Step 3: Cross multiply
    207,427,545.60x = 310,892,486.40 × 86,196,595.20
  4. Step 4: Simplify right side
    207,427,545.60x = 26,797,873,800,942,304
  5. Step 5: Solve for x
    x = 26,797,873,800,942,304/207,427,545.60
  6. Step 6: Final answer
    x = 129,191,490.57

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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.