Home / 113,421,947.60-169,755,007.80-104,352,021.20

Finding the Fourth Proportional to 113,421,947.60, 169,755,007.80 and 104,352,021.20

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Solution

The fourth proportional to 113,421,947.60, 169,755,007.80 and 104,352,021.20 is: 156,180,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421,947.60 : 169,755,007.80 = 104,352,021.20 : x
  2. Step 2: Convert to fraction form
    113,421,947.60/169,755,007.80 = 104,352,021.20/x
  3. Step 3: Cross multiply
    113,421,947.60x = 169,755,007.80 × 104,352,021.20
  4. Step 4: Simplify right side
    113,421,947.60x = 17,714,278,172,751,768
  5. Step 5: Solve for x
    x = 17,714,278,172,751,768/113,421,947.60
  6. Step 6: Final answer
    x = 156,180,338.53

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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.