Home / 87,927,262.72-121,354,152.48-48,781,651.28

Finding the Fourth Proportional to 87,927,262.72, 121,354,152.48 and 48,781,651.28

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Solution

The fourth proportional to 87,927,262.72, 121,354,152.48 and 48,781,651.28 is: 67,326,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927,262.72 : 121,354,152.48 = 48,781,651.28 : x
  2. Step 2: Convert to fraction form
    87,927,262.72/121,354,152.48 = 48,781,651.28/x
  3. Step 3: Cross multiply
    87,927,262.72x = 121,354,152.48 × 48,781,651.28
  4. Step 4: Simplify right side
    87,927,262.72x = 5,919,855,947,659,308
  5. Step 5: Solve for x
    x = 5,919,855,947,659,308/87,927,262.72
  6. Step 6: Final answer
    x = 67,326,739.90

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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.