Home / 78,393,296.54-108,177,133.59-43,113,585.75

Finding the Fourth Proportional to 78,393,296.54, 108,177,133.59 and 43,113,585.75

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Solution

The fourth proportional to 78,393,296.54, 108,177,133.59 and 43,113,585.75 is: 59,493,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,393,296.54 : 108,177,133.59 = 43,113,585.75 : x
  2. Step 2: Convert to fraction form
    78,393,296.54/108,177,133.59 = 43,113,585.75/x
  3. Step 3: Cross multiply
    78,393,296.54x = 108,177,133.59 × 43,113,585.75
  4. Step 4: Simplify right side
    78,393,296.54x = 4,663,904,125,221,670
  5. Step 5: Solve for x
    x = 4,663,904,125,221,670/78,393,296.54
  6. Step 6: Final answer
    x = 59,493,659.93

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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.