Home / 143,713,610-198,324,781.80-78,523,514

Finding the Fourth Proportional to 143,713,610, 198,324,781.80 and 78,523,514

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Solution

The fourth proportional to 143,713,610, 198,324,781.80 and 78,523,514 is: 108,362,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,713,610 : 198,324,781.80 = 78,523,514 : x
  2. Step 2: Convert to fraction form
    143,713,610/198,324,781.80 = 78,523,514/x
  3. Step 3: Cross multiply
    143,713,610x = 198,324,781.80 × 78,523,514
  4. Step 4: Simplify right side
    143,713,610x = 15,573,158,780,219,246
  5. Step 5: Solve for x
    x = 15,573,158,780,219,246/143,713,610
  6. Step 6: Final answer
    x = 108,362,449.32

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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.