Home / 67,466,052.94-101,205,255.32-18,943,579.78

Finding the Fourth Proportional to 67,466,052.94, 101,205,255.32 and 18,943,579.78

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Solution

The fourth proportional to 67,466,052.94, 101,205,255.32 and 18,943,579.78 is: 28,417,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,466,052.94 : 101,205,255.32 = 18,943,579.78 : x
  2. Step 2: Convert to fraction form
    67,466,052.94/101,205,255.32 = 18,943,579.78/x
  3. Step 3: Cross multiply
    67,466,052.94x = 101,205,255.32 × 18,943,579.78
  4. Step 4: Simplify right side
    67,466,052.94x = 1,917,189,827,803,662.75
  5. Step 5: Solve for x
    x = 1,917,189,827,803,662.75/67,466,052.94
  6. Step 6: Final answer
    x = 28,417,103.78

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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.