Home / 53,266,649.76-79,904,581.92-18,720,097.92

Finding the Fourth Proportional to 53,266,649.76, 79,904,581.92 and 18,720,097.92

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Solution

The fourth proportional to 53,266,649.76, 79,904,581.92 and 18,720,097.92 is: 28,081,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266,649.76 : 79,904,581.92 = 18,720,097.92 : x
  2. Step 2: Convert to fraction form
    53,266,649.76/79,904,581.92 = 18,720,097.92/x
  3. Step 3: Cross multiply
    53,266,649.76x = 79,904,581.92 × 18,720,097.92
  4. Step 4: Simplify right side
    53,266,649.76x = 1,495,821,597,799,061.75
  5. Step 5: Solve for x
    x = 1,495,821,597,799,061.75/53,266,649.76
  6. Step 6: Final answer
    x = 28,081,766.07

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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.