Home / 144,828,480.93-199,861,909.65-78,749,003.71

Finding the Fourth Proportional to 144,828,480.93, 199,861,909.65 and 78,749,003.71

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Solution

The fourth proportional to 144,828,480.93, 199,861,909.65 and 78,749,003.71 is: 108,672,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,480.93 : 199,861,909.65 = 78,749,003.71 : x
  2. Step 2: Convert to fraction form
    144,828,480.93/199,861,909.65 = 78,749,003.71/x
  3. Step 3: Cross multiply
    144,828,480.93x = 199,861,909.65 × 78,749,003.71
  4. Step 4: Simplify right side
    144,828,480.93x = 15,738,926,264,515,534
  5. Step 5: Solve for x
    x = 15,738,926,264,515,534/144,828,480.93
  6. Step 6: Final answer
    x = 108,672,867.13

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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.