Home / 120,838,019.40-181,257,029.10-34,579,240.20

Finding the Fourth Proportional to 120,838,019.40, 181,257,029.10 and 34,579,240.20

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Solution

The fourth proportional to 120,838,019.40, 181,257,029.10 and 34,579,240.20 is: 51,868,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,838,019.40 : 181,257,029.10 = 34,579,240.20 : x
  2. Step 2: Convert to fraction form
    120,838,019.40/181,257,029.10 = 34,579,240.20/x
  3. Step 3: Cross multiply
    120,838,019.40x = 181,257,029.10 × 34,579,240.20
  4. Step 4: Simplify right side
    120,838,019.40x = 6,267,730,347,187,290
  5. Step 5: Solve for x
    x = 6,267,730,347,187,290/120,838,019.40
  6. Step 6: Final answer
    x = 51,868,860.30

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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.