Home / 75,105,083.24-103,642,333.22-42,509,335.40

Finding the Fourth Proportional to 75,105,083.24, 103,642,333.22 and 42,509,335.40

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Solution

The fourth proportional to 75,105,083.24, 103,642,333.22 and 42,509,335.40 is: 58,661,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105,083.24 : 103,642,333.22 = 42,509,335.40 : x
  2. Step 2: Convert to fraction form
    75,105,083.24/103,642,333.22 = 42,509,335.40/x
  3. Step 3: Cross multiply
    75,105,083.24x = 103,642,333.22 × 42,509,335.40
  4. Step 4: Simplify right side
    75,105,083.24x = 4,405,766,704,487,542
  5. Step 5: Solve for x
    x = 4,405,766,704,487,542/75,105,083.24
  6. Step 6: Final answer
    x = 58,661,365.04

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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.