Home / 144,921,323.53-199,992,296.16-78,842,294.70

Finding the Fourth Proportional to 144,921,323.53, 199,992,296.16 and 78,842,294.70

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Solution

The fourth proportional to 144,921,323.53, 199,992,296.16 and 78,842,294.70 is: 108,802,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,921,323.53 : 199,992,296.16 = 78,842,294.70 : x
  2. Step 2: Convert to fraction form
    144,921,323.53/199,992,296.16 = 78,842,294.70/x
  3. Step 3: Cross multiply
    144,921,323.53x = 199,992,296.16 × 78,842,294.70
  4. Step 4: Simplify right side
    144,921,323.53x = 15,767,851,551,182,188
  5. Step 5: Solve for x
    x = 15,767,851,551,182,188/144,921,323.53
  6. Step 6: Final answer
    x = 108,802,839.82

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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.