Home / 72,506,771.10-108,760,156.65-41,853,779.10

Finding the Fourth Proportional to 72,506,771.10, 108,760,156.65 and 41,853,779.10

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Solution

The fourth proportional to 72,506,771.10, 108,760,156.65 and 41,853,779.10 is: 62,780,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,506,771.10 : 108,760,156.65 = 41,853,779.10 : x
  2. Step 2: Convert to fraction form
    72,506,771.10/108,760,156.65 = 41,853,779.10/x
  3. Step 3: Cross multiply
    72,506,771.10x = 108,760,156.65 × 41,853,779.10
  4. Step 4: Simplify right side
    72,506,771.10x = 4,552,023,571,310,496
  5. Step 5: Solve for x
    x = 4,552,023,571,310,496/72,506,771.10
  6. Step 6: Final answer
    x = 62,780,668.65

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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.