Home / 108,239,908.16-149,372,243.78-63,587,762.40

Finding the Fourth Proportional to 108,239,908.16, 149,372,243.78 and 63,587,762.40

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Solution

The fourth proportional to 108,239,908.16, 149,372,243.78 and 63,587,762.40 is: 87,751,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,239,908.16 : 149,372,243.78 = 63,587,762.40 : x
  2. Step 2: Convert to fraction form
    108,239,908.16/149,372,243.78 = 63,587,762.40/x
  3. Step 3: Cross multiply
    108,239,908.16x = 149,372,243.78 × 63,587,762.40
  4. Step 4: Simplify right side
    108,239,908.16x = 9,498,246,746,608,534
  5. Step 5: Solve for x
    x = 9,498,246,746,608,534/108,239,908.16
  6. Step 6: Final answer
    x = 87,751,799.76

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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.