Home / 126,815,468.30-175,005,371.85-77,255,827.01

Finding the Fourth Proportional to 126,815,468.30, 175,005,371.85 and 77,255,827.01

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Solution

The fourth proportional to 126,815,468.30, 175,005,371.85 and 77,255,827.01 is: 106,613,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815,468.30 : 175,005,371.85 = 77,255,827.01 : x
  2. Step 2: Convert to fraction form
    126,815,468.30/175,005,371.85 = 77,255,827.01/x
  3. Step 3: Cross multiply
    126,815,468.30x = 175,005,371.85 × 77,255,827.01
  4. Step 4: Simplify right side
    126,815,468.30x = 13,520,184,733,464,324
  5. Step 5: Solve for x
    x = 13,520,184,733,464,324/126,815,468.30
  6. Step 6: Final answer
    x = 106,613,056.87

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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.