Home / 355,853,129.10-533,779,693.65-218,103,621.90

Finding the Fourth Proportional to 355,853,129.10, 533,779,693.65 and 218,103,621.90

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Solution

The fourth proportional to 355,853,129.10, 533,779,693.65 and 218,103,621.90 is: 327,155,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,853,129.10 : 533,779,693.65 = 218,103,621.90 : x
  2. Step 2: Convert to fraction form
    355,853,129.10/533,779,693.65 = 218,103,621.90/x
  3. Step 3: Cross multiply
    355,853,129.10x = 533,779,693.65 × 218,103,621.90
  4. Step 4: Simplify right side
    355,853,129.10x = 116,419,284,481,737,424
  5. Step 5: Solve for x
    x = 116,419,284,481,737,424/355,853,129.10
  6. Step 6: Final answer
    x = 327,155,432.85

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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.