Home / 84,034,001.76-115,967,806.20-47,364,572.76

Finding the Fourth Proportional to 84,034,001.76, 115,967,806.20 and 47,364,572.76

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Solution

The fourth proportional to 84,034,001.76, 115,967,806.20 and 47,364,572.76 is: 65,363,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034,001.76 : 115,967,806.20 = 47,364,572.76 : x
  2. Step 2: Convert to fraction form
    84,034,001.76/115,967,806.20 = 47,364,572.76/x
  3. Step 3: Cross multiply
    84,034,001.76x = 115,967,806.20 × 47,364,572.76
  4. Step 4: Simplify right side
    84,034,001.76x = 5,492,765,594,577,479
  5. Step 5: Solve for x
    x = 5,492,765,594,577,479/84,034,001.76
  6. Step 6: Final answer
    x = 65,363,608.53

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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.