Home / 79,722,749.28-110,017,393.44-43,053,320.64

Finding the Fourth Proportional to 79,722,749.28, 110,017,393.44 and 43,053,320.64

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Solution

The fourth proportional to 79,722,749.28, 110,017,393.44 and 43,053,320.64 is: 59,413,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722,749.28 : 110,017,393.44 = 43,053,320.64 : x
  2. Step 2: Convert to fraction form
    79,722,749.28/110,017,393.44 = 43,053,320.64/x
  3. Step 3: Cross multiply
    79,722,749.28x = 110,017,393.44 × 43,053,320.64
  4. Step 4: Simplify right side
    79,722,749.28x = 4,736,614,115,749,353
  5. Step 5: Solve for x
    x = 4,736,614,115,749,353/79,722,749.28
  6. Step 6: Final answer
    x = 59,413,582.18

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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.