Home / 86,806,425.66-130,729,277.81-79,058,015.88

Finding the Fourth Proportional to 86,806,425.66, 130,729,277.81 and 79,058,015.88

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Solution

The fourth proportional to 86,806,425.66, 130,729,277.81 and 79,058,015.88 is: 119,060,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,425.66 : 130,729,277.81 = 79,058,015.88 : x
  2. Step 2: Convert to fraction form
    86,806,425.66/130,729,277.81 = 79,058,015.88/x
  3. Step 3: Cross multiply
    86,806,425.66x = 130,729,277.81 × 79,058,015.88
  4. Step 4: Simplify right side
    86,806,425.66x = 10,335,197,320,688,622
  5. Step 5: Solve for x
    x = 10,335,197,320,688,622/86,806,425.66
  6. Step 6: Final answer
    x = 119,060,279.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.