Home / 231,977,925.66-320,141,029.45-143,900,301.94

Finding the Fourth Proportional to 231,977,925.66, 320,141,029.45 and 143,900,301.94

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Solution

The fourth proportional to 231,977,925.66, 320,141,029.45 and 143,900,301.94 is: 198,589,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977,925.66 : 320,141,029.45 = 143,900,301.94 : x
  2. Step 2: Convert to fraction form
    231,977,925.66/320,141,029.45 = 143,900,301.94/x
  3. Step 3: Cross multiply
    231,977,925.66x = 320,141,029.45 × 143,900,301.94
  4. Step 4: Simplify right side
    231,977,925.66x = 46,068,390,800,549,320
  5. Step 5: Solve for x
    x = 46,068,390,800,549,320/231,977,925.66
  6. Step 6: Final answer
    x = 198,589,545.41

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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.