Home / 231,977,948.64-320,141,061.15-143,900,324.91

Finding the Fourth Proportional to 231,977,948.64, 320,141,061.15 and 143,900,324.91

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Solution

The fourth proportional to 231,977,948.64, 320,141,061.15 and 143,900,324.91 is: 198,589,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977,948.64 : 320,141,061.15 = 143,900,324.91 : x
  2. Step 2: Convert to fraction form
    231,977,948.64/320,141,061.15 = 143,900,324.91/x
  3. Step 3: Cross multiply
    231,977,948.64x = 320,141,061.15 × 143,900,324.91
  4. Step 4: Simplify right side
    231,977,948.64x = 46,068,402,716,517,176
  5. Step 5: Solve for x
    x = 46,068,402,716,517,176/231,977,948.64
  6. Step 6: Final answer
    x = 198,589,577.10

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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.