Home / 66,412,279.20-91,644,997.68-38,532,830.16

Finding the Fourth Proportional to 66,412,279.20, 91,644,997.68 and 38,532,830.16

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Solution

The fourth proportional to 66,412,279.20, 91,644,997.68 and 38,532,830.16 is: 53,173,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412,279.20 : 91,644,997.68 = 38,532,830.16 : x
  2. Step 2: Convert to fraction form
    66,412,279.20/91,644,997.68 = 38,532,830.16/x
  3. Step 3: Cross multiply
    66,412,279.20x = 91,644,997.68 × 38,532,830.16
  4. Step 4: Simplify right side
    66,412,279.20x = 3,531,341,130,617,034
  5. Step 5: Solve for x
    x = 3,531,341,130,617,034/66,412,279.20
  6. Step 6: Final answer
    x = 53,173,015.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.