Home / 75,278,713.10-112,852,303.56-29,188,828.04

Finding the Fourth Proportional to 75,278,713.10, 112,852,303.56 and 29,188,828.04

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Solution

The fourth proportional to 75,278,713.10, 112,852,303.56 and 29,188,828.04 is: 43,757,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278,713.10 : 112,852,303.56 = 29,188,828.04 : x
  2. Step 2: Convert to fraction form
    75,278,713.10/112,852,303.56 = 29,188,828.04/x
  3. Step 3: Cross multiply
    75,278,713.10x = 112,852,303.56 × 29,188,828.04
  4. Step 4: Simplify right side
    75,278,713.10x = 3,294,026,481,966,458.50
  5. Step 5: Solve for x
    x = 3,294,026,481,966,458.50/75,278,713.10
  6. Step 6: Final answer
    x = 43,757,741.68

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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.