Home / 87,194,611.76-120,345,461.84-50,046,886.40

Finding the Fourth Proportional to 87,194,611.76, 120,345,461.84 and 50,046,886.40

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Solution

The fourth proportional to 87,194,611.76, 120,345,461.84 and 50,046,886.40 is: 69,074,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194,611.76 : 120,345,461.84 = 50,046,886.40 : x
  2. Step 2: Convert to fraction form
    87,194,611.76/120,345,461.84 = 50,046,886.40/x
  3. Step 3: Cross multiply
    87,194,611.76x = 120,345,461.84 × 50,046,886.40
  4. Step 4: Simplify right side
    87,194,611.76x = 6,022,915,657,462,015
  5. Step 5: Solve for x
    x = 6,022,915,657,462,015/87,194,611.76
  6. Step 6: Final answer
    x = 69,074,401.91

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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.