Home / 81,275,458.80-112,160,206.48-44,105,739.44

Finding the Fourth Proportional to 81,275,458.80, 112,160,206.48 and 44,105,739.44

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Solution

The fourth proportional to 81,275,458.80, 112,160,206.48 and 44,105,739.44 is: 60,865,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,275,458.80 : 112,160,206.48 = 44,105,739.44 : x
  2. Step 2: Convert to fraction form
    81,275,458.80/112,160,206.48 = 44,105,739.44/x
  3. Step 3: Cross multiply
    81,275,458.80x = 112,160,206.48 × 44,105,739.44
  4. Step 4: Simplify right side
    81,275,458.80x = 4,946,908,841,872,415
  5. Step 5: Solve for x
    x = 4,946,908,841,872,415/81,275,458.80
  6. Step 6: Final answer
    x = 60,865,960.22

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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.