Home / 66,540,008.16-91,819,219.68-37,168,773.12

Finding the Fourth Proportional to 66,540,008.16, 91,819,219.68 and 37,168,773.12

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Solution

The fourth proportional to 66,540,008.16, 91,819,219.68 and 37,168,773.12 is: 51,289,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,540,008.16 : 91,819,219.68 = 37,168,773.12 : x
  2. Step 2: Convert to fraction form
    66,540,008.16/91,819,219.68 = 37,168,773.12/x
  3. Step 3: Cross multiply
    66,540,008.16x = 91,819,219.68 × 37,168,773.12
  4. Step 4: Simplify right side
    66,540,008.16x = 3,412,807,744,341,359
  5. Step 5: Solve for x
    x = 3,412,807,744,341,359/66,540,008.16
  6. Step 6: Final answer
    x = 51,289,560.05

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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.