Home / 145,451,829.89-200,727,764.16-79,376,584.15

Finding the Fourth Proportional to 145,451,829.89, 200,727,764.16 and 79,376,584.15

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Solution

The fourth proportional to 145,451,829.89, 200,727,764.16 and 79,376,584.15 is: 109,541,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,829.89 : 200,727,764.16 = 79,376,584.15 : x
  2. Step 2: Convert to fraction form
    145,451,829.89/200,727,764.16 = 79,376,584.15/x
  3. Step 3: Cross multiply
    145,451,829.89x = 200,727,764.16 × 79,376,584.15
  4. Step 4: Simplify right side
    145,451,829.89x = 15,933,084,262,083,954
  5. Step 5: Solve for x
    x = 15,933,084,262,083,954/145,451,829.89
  6. Step 6: Final answer
    x = 109,541,999.40

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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.