Home / 86,806,423.04-130,729,273.85-79,058,013.26

Finding the Fourth Proportional to 86,806,423.04, 130,729,273.85 and 79,058,013.26

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Solution

The fourth proportional to 86,806,423.04, 130,729,273.85 and 79,058,013.26 is: 119,060,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,423.04 : 130,729,273.85 = 79,058,013.26 : x
  2. Step 2: Convert to fraction form
    86,806,423.04/130,729,273.85 = 79,058,013.26/x
  3. Step 3: Cross multiply
    86,806,423.04x = 130,729,273.85 × 79,058,013.26
  4. Step 4: Simplify right side
    86,806,423.04x = 10,335,196,665,047,470
  5. Step 5: Solve for x
    x = 10,335,196,665,047,470/86,806,423.04
  6. Step 6: Final answer
    x = 119,060,275.77

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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.