Home / 99,513,571.60-149,336,712.60-56,382,691.60

Finding the Fourth Proportional to 99,513,571.60, 149,336,712.60 and 56,382,691.60

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Solution

The fourth proportional to 99,513,571.60, 149,336,712.60 and 56,382,691.60 is: 84,611,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513,571.60 : 149,336,712.60 = 56,382,691.60 : x
  2. Step 2: Convert to fraction form
    99,513,571.60/149,336,712.60 = 56,382,691.60/x
  3. Step 3: Cross multiply
    99,513,571.60x = 149,336,712.60 × 56,382,691.60
  4. Step 4: Simplify right side
    99,513,571.60x = 8,420,005,811,083,634
  5. Step 5: Solve for x
    x = 8,420,005,811,083,634/99,513,571.60
  6. Step 6: Final answer
    x = 84,611,633.12

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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.