Home / 305,998,943.50-459,088,469.60-98,733,465.90

Finding the Fourth Proportional to 305,998,943.50, 459,088,469.60 and 98,733,465.90

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Solution

The fourth proportional to 305,998,943.50, 459,088,469.60 and 98,733,465.90 is: 148,129,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,998,943.50 : 459,088,469.60 = 98,733,465.90 : x
  2. Step 2: Convert to fraction form
    305,998,943.50/459,088,469.60 = 98,733,465.90/x
  3. Step 3: Cross multiply
    305,998,943.50x = 459,088,469.60 × 98,733,465.90
  4. Step 4: Simplify right side
    305,998,943.50x = 45,327,395,758,334,792
  5. Step 5: Solve for x
    x = 45,327,395,758,334,792/305,998,943.50
  6. Step 6: Final answer
    x = 148,129,255.74

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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.