Home / 112,809,780.80-169,227,112.80-36,119,758.40

Finding the Fourth Proportional to 112,809,780.80, 169,227,112.80 and 36,119,758.40

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Solution

The fourth proportional to 112,809,780.80, 169,227,112.80 and 36,119,758.40 is: 54,183,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,809,780.80 : 169,227,112.80 = 36,119,758.40 : x
  2. Step 2: Convert to fraction form
    112,809,780.80/169,227,112.80 = 36,119,758.40/x
  3. Step 3: Cross multiply
    112,809,780.80x = 169,227,112.80 × 36,119,758.40
  4. Step 4: Simplify right side
    112,809,780.80x = 6,112,442,429,065,548
  5. Step 5: Solve for x
    x = 6,112,442,429,065,548/112,809,780.80
  6. Step 6: Final answer
    x = 54,183,621.19

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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.