Home / 111,841,349.52-154,261,557.72-74,652,879.72

Finding the Fourth Proportional to 111,841,349.52, 154,261,557.72 and 74,652,879.72

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Solution

The fourth proportional to 111,841,349.52, 154,261,557.72 and 74,652,879.72 is: 102,967,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841,349.52 : 154,261,557.72 = 74,652,879.72 : x
  2. Step 2: Convert to fraction form
    111,841,349.52/154,261,557.72 = 74,652,879.72/x
  3. Step 3: Cross multiply
    111,841,349.52x = 154,261,557.72 × 74,652,879.72
  4. Step 4: Simplify right side
    111,841,349.52x = 11,516,069,513,890,998
  5. Step 5: Solve for x
    x = 11,516,069,513,890,998/111,841,349.52
  6. Step 6: Final answer
    x = 102,967,905.55

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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.