Home / 87,400,868.52-120,613,205.58-48,242,655.36

Finding the Fourth Proportional to 87,400,868.52, 120,613,205.58 and 48,242,655.36

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Solution

The fourth proportional to 87,400,868.52, 120,613,205.58 and 48,242,655.36 is: 66,574,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400,868.52 : 120,613,205.58 = 48,242,655.36 : x
  2. Step 2: Convert to fraction form
    87,400,868.52/120,613,205.58 = 48,242,655.36/x
  3. Step 3: Cross multiply
    87,400,868.52x = 120,613,205.58 × 48,242,655.36
  4. Step 4: Simplify right side
    87,400,868.52x = 5,818,701,308,660,769
  5. Step 5: Solve for x
    x = 5,818,701,308,660,769/87,400,868.52
  6. Step 6: Final answer
    x = 66,574,868.27

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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.