Home / 144,662,659.49-199,610,805.28-85,174,086.85

Finding the Fourth Proportional to 144,662,659.49, 199,610,805.28 and 85,174,086.85

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Solution

The fourth proportional to 144,662,659.49, 199,610,805.28 and 85,174,086.85 is: 117,526,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,662,659.49 : 199,610,805.28 = 85,174,086.85 : x
  2. Step 2: Convert to fraction form
    144,662,659.49/199,610,805.28 = 85,174,086.85/x
  3. Step 3: Cross multiply
    144,662,659.49x = 199,610,805.28 × 85,174,086.85
  4. Step 4: Simplify right side
    144,662,659.49x = 17,001,668,065,117,158
  5. Step 5: Solve for x
    x = 17,001,668,065,117,158/144,662,659.49
  6. Step 6: Final answer
    x = 117,526,306.55

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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.