Home / 72,609,666.30-108,914,499.45-26,551,446.30

Finding the Fourth Proportional to 72,609,666.30, 108,914,499.45 and 26,551,446.30

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Solution

The fourth proportional to 72,609,666.30, 108,914,499.45 and 26,551,446.30 is: 39,827,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,666.30 : 108,914,499.45 = 26,551,446.30 : x
  2. Step 2: Convert to fraction form
    72,609,666.30/108,914,499.45 = 26,551,446.30/x
  3. Step 3: Cross multiply
    72,609,666.30x = 108,914,499.45 × 26,551,446.30
  4. Step 4: Simplify right side
    72,609,666.30x = 2,891,837,483,438,054.50
  5. Step 5: Solve for x
    x = 2,891,837,483,438,054.50/72,609,666.30
  6. Step 6: Final answer
    x = 39,827,169.45

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Double scale
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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.