Home / 84,564,618.30-126,846,927.45-74,150,999.10

Finding the Fourth Proportional to 84,564,618.30, 126,846,927.45 and 74,150,999.10

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Solution

The fourth proportional to 84,564,618.30, 126,846,927.45 and 74,150,999.10 is: 111,226,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,618.30 : 126,846,927.45 = 74,150,999.10 : x
  2. Step 2: Convert to fraction form
    84,564,618.30/126,846,927.45 = 74,150,999.10/x
  3. Step 3: Cross multiply
    84,564,618.30x = 126,846,927.45 × 74,150,999.10
  4. Step 4: Simplify right side
    84,564,618.30x = 9,405,826,403,182,714
  5. Step 5: Solve for x
    x = 9,405,826,403,182,714/84,564,618.30
  6. Step 6: Final answer
    x = 111,226,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.