Home / 87,916,677.92-121,308,973.47-50,733,393.20

Finding the Fourth Proportional to 87,916,677.92, 121,308,973.47 and 50,733,393.20

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Solution

The fourth proportional to 87,916,677.92, 121,308,973.47 and 50,733,393.20 is: 70,002,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916,677.92 : 121,308,973.47 = 50,733,393.20 : x
  2. Step 2: Convert to fraction form
    87,916,677.92/121,308,973.47 = 50,733,393.20/x
  3. Step 3: Cross multiply
    87,916,677.92x = 121,308,973.47 × 50,733,393.20
  4. Step 4: Simplify right side
    87,916,677.92x = 6,154,415,849,741,879
  5. Step 5: Solve for x
    x = 6,154,415,849,741,879/87,916,677.92
  6. Step 6: Final answer
    x = 70,002,825.35

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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.