Home / 101,819,865.48-140,511,527.52-57,159,630.55

Finding the Fourth Proportional to 101,819,865.48, 140,511,527.52 and 57,159,630.55

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Solution

The fourth proportional to 101,819,865.48, 140,511,527.52 and 57,159,630.55 is: 78,880,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,819,865.48 : 140,511,527.52 = 57,159,630.55 : x
  2. Step 2: Convert to fraction form
    101,819,865.48/140,511,527.52 = 57,159,630.55/x
  3. Step 3: Cross multiply
    101,819,865.48x = 140,511,527.52 × 57,159,630.55
  4. Step 4: Simplify right side
    101,819,865.48x = 8,031,587,001,020,650
  5. Step 5: Solve for x
    x = 8,031,587,001,020,650/101,819,865.48
  6. Step 6: Final answer
    x = 78,880,353.69

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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.