Home / 66,159,844.38-91,287,205.74-38,652,458.22

Finding the Fourth Proportional to 66,159,844.38, 91,287,205.74 and 38,652,458.22

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Solution

The fourth proportional to 66,159,844.38, 91,287,205.74 and 38,652,458.22 is: 53,332,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,844.38 : 91,287,205.74 = 38,652,458.22 : x
  2. Step 2: Convert to fraction form
    66,159,844.38/91,287,205.74 = 38,652,458.22/x
  3. Step 3: Cross multiply
    66,159,844.38x = 91,287,205.74 × 38,652,458.22
  4. Step 4: Simplify right side
    66,159,844.38x = 3,528,474,905,885,894
  5. Step 5: Solve for x
    x = 3,528,474,905,885,894/66,159,844.38
  6. Step 6: Final answer
    x = 53,332,575.66

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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.