Home / 86,806,427.16-130,729,280.07-79,058,017.38

Finding the Fourth Proportional to 86,806,427.16, 130,729,280.07 and 79,058,017.38

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Solution

The fourth proportional to 86,806,427.16, 130,729,280.07 and 79,058,017.38 is: 119,060,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,427.16 : 130,729,280.07 = 79,058,017.38 : x
  2. Step 2: Convert to fraction form
    86,806,427.16/130,729,280.07 = 79,058,017.38/x
  3. Step 3: Cross multiply
    86,806,427.16x = 130,729,280.07 × 79,058,017.38
  4. Step 4: Simplify right side
    86,806,427.16x = 10,335,197,695,453,656
  5. Step 5: Solve for x
    x = 10,335,197,695,453,656/86,806,427.16
  6. Step 6: Final answer
    x = 119,060,281.98

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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.