Home / 305,998,940.46-459,088,465.04-98,733,462.88

Finding the Fourth Proportional to 305,998,940.46, 459,088,465.04 and 98,733,462.88

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Solution

The fourth proportional to 305,998,940.46, 459,088,465.04 and 98,733,462.88 is: 148,129,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,998,940.46 : 459,088,465.04 = 98,733,462.88 : x
  2. Step 2: Convert to fraction form
    305,998,940.46/459,088,465.04 = 98,733,462.88/x
  3. Step 3: Cross multiply
    305,998,940.46x = 459,088,465.04 × 98,733,462.88
  4. Step 4: Simplify right side
    305,998,940.46x = 45,327,393,920,762,128
  5. Step 5: Solve for x
    x = 45,327,393,920,762,128/305,998,940.46
  6. Step 6: Final answer
    x = 148,129,251.21

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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.