Home / 86,058,612-129,113,199.72-25,475,912.64

Finding the Fourth Proportional to 86,058,612, 129,113,199.72 and 25,475,912.64

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Solution

The fourth proportional to 86,058,612, 129,113,199.72 and 25,475,912.64 is: 38,221,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058,612 : 129,113,199.72 = 25,475,912.64 : x
  2. Step 2: Convert to fraction form
    86,058,612/129,113,199.72 = 25,475,912.64/x
  3. Step 3: Cross multiply
    86,058,612x = 129,113,199.72 × 25,475,912.64
  4. Step 4: Simplify right side
    86,058,612x = 3,289,276,596,737,592.50
  5. Step 5: Solve for x
    x = 3,289,276,596,737,592.50/86,058,612
  6. Step 6: Final answer
    x = 38,221,353.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.