Home / 80,849,649.40-121,274,474.10-29,725,025.20

Finding the Fourth Proportional to 80,849,649.40, 121,274,474.10 and 29,725,025.20

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Solution

The fourth proportional to 80,849,649.40, 121,274,474.10 and 29,725,025.20 is: 44,587,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849,649.40 : 121,274,474.10 = 29,725,025.20 : x
  2. Step 2: Convert to fraction form
    80,849,649.40/121,274,474.10 = 29,725,025.20/x
  3. Step 3: Cross multiply
    80,849,649.40x = 121,274,474.10 × 29,725,025.20
  4. Step 4: Simplify right side
    80,849,649.40x = 3,604,886,798,739,247
  5. Step 5: Solve for x
    x = 3,604,886,798,739,247/80,849,649.40
  6. Step 6: Final answer
    x = 44,587,537.80

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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.