Home / 144,924,642.84-199,996,876.86-78,845,615.12

Finding the Fourth Proportional to 144,924,642.84, 199,996,876.86 and 78,845,615.12

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Solution

The fourth proportional to 144,924,642.84, 199,996,876.86 and 78,845,615.12 is: 108,807,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,642.84 : 199,996,876.86 = 78,845,615.12 : x
  2. Step 2: Convert to fraction form
    144,924,642.84/199,996,876.86 = 78,845,615.12/x
  3. Step 3: Cross multiply
    144,924,642.84x = 199,996,876.86 × 78,845,615.12
  4. Step 4: Simplify right side
    144,924,642.84x = 15,768,876,778,105,596
  5. Step 5: Solve for x
    x = 15,768,876,778,105,596/144,924,642.84
  6. Step 6: Final answer
    x = 108,807,422.04

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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.