Home / 55,049,739.52-75,970,829.38-30,271,957.78

Finding the Fourth Proportional to 55,049,739.52, 75,970,829.38 and 30,271,957.78

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Solution

The fourth proportional to 55,049,739.52, 75,970,829.38 and 30,271,957.78 is: 41,776,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,739.52 : 75,970,829.38 = 30,271,957.78 : x
  2. Step 2: Convert to fraction form
    55,049,739.52/75,970,829.38 = 30,271,957.78/x
  3. Step 3: Cross multiply
    55,049,739.52x = 75,970,829.38 × 30,271,957.78
  4. Step 4: Simplify right side
    55,049,739.52x = 2,299,785,739,502,943.50
  5. Step 5: Solve for x
    x = 2,299,785,739,502,943.50/55,049,739.52
  6. Step 6: Final answer
    x = 41,776,505.39

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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.