Home / 87,817,426.63-121,187,928.77-48,661,738.27

Finding the Fourth Proportional to 87,817,426.63, 121,187,928.77 and 48,661,738.27

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Solution

The fourth proportional to 87,817,426.63, 121,187,928.77 and 48,661,738.27 is: 67,153,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,817,426.63 : 121,187,928.77 = 48,661,738.27 : x
  2. Step 2: Convert to fraction form
    87,817,426.63/121,187,928.77 = 48,661,738.27/x
  3. Step 3: Cross multiply
    87,817,426.63x = 121,187,928.77 × 48,661,738.27
  4. Step 4: Simplify right side
    87,817,426.63x = 5,897,215,270,925,346
  5. Step 5: Solve for x
    x = 5,897,215,270,925,346/87,817,426.63
  6. Step 6: Final answer
    x = 67,153,132.33

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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.