Home / 415,863,501.20-623,795,251.80-109,186,614.80

Finding the Fourth Proportional to 415,863,501.20, 623,795,251.80 and 109,186,614.80

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Solution

The fourth proportional to 415,863,501.20, 623,795,251.80 and 109,186,614.80 is: 163,779,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,863,501.20 : 623,795,251.80 = 109,186,614.80 : x
  2. Step 2: Convert to fraction form
    415,863,501.20/623,795,251.80 = 109,186,614.80/x
  3. Step 3: Cross multiply
    415,863,501.20x = 623,795,251.80 × 109,186,614.80
  4. Step 4: Simplify right side
    415,863,501.20x = 68,110,091,872,355,600
  5. Step 5: Solve for x
    x = 68,110,091,872,355,600/415,863,501.20
  6. Step 6: Final answer
    x = 163,779,922.20

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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.