Home / 291,267,718.60-436,607,645.10-145,477,049.80

Finding the Fourth Proportional to 291,267,718.60, 436,607,645.10 and 145,477,049.80

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Solution

The fourth proportional to 291,267,718.60, 436,607,645.10 and 145,477,049.80 is: 218,068,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,267,718.60 : 436,607,645.10 = 145,477,049.80 : x
  2. Step 2: Convert to fraction form
    291,267,718.60/436,607,645.10 = 145,477,049.80/x
  3. Step 3: Cross multiply
    291,267,718.60x = 436,607,645.10 × 145,477,049.80
  4. Step 4: Simplify right side
    291,267,718.60x = 63,516,392,129,273,432
  5. Step 5: Solve for x
    x = 63,516,392,129,273,432/291,267,718.60
  6. Step 6: Final answer
    x = 218,068,766.54

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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.