Home / 101,898,842.38-140,626,306.16-76,735,905.64

Finding the Fourth Proportional to 101,898,842.38, 140,626,306.16 and 76,735,905.64

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Solution

The fourth proportional to 101,898,842.38, 140,626,306.16 and 76,735,905.64 is: 105,899,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,898,842.38 : 140,626,306.16 = 76,735,905.64 : x
  2. Step 2: Convert to fraction form
    101,898,842.38/140,626,306.16 = 76,735,905.64/x
  3. Step 3: Cross multiply
    101,898,842.38x = 140,626,306.16 × 76,735,905.64
  4. Step 4: Simplify right side
    101,898,842.38x = 10,791,086,959,995,510
  5. Step 5: Solve for x
    x = 10,791,086,959,995,510/101,898,842.38
  6. Step 6: Final answer
    x = 105,899,995.60

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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.