Home / 108,872,238.30-163,308,357.45-74,384,123.10

Finding the Fourth Proportional to 108,872,238.30, 163,308,357.45 and 74,384,123.10

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Solution

The fourth proportional to 108,872,238.30, 163,308,357.45 and 74,384,123.10 is: 111,576,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,238.30 : 163,308,357.45 = 74,384,123.10 : x
  2. Step 2: Convert to fraction form
    108,872,238.30/163,308,357.45 = 74,384,123.10/x
  3. Step 3: Cross multiply
    108,872,238.30x = 163,308,357.45 × 74,384,123.10
  4. Step 4: Simplify right side
    108,872,238.30x = 12,147,548,963,819,600
  5. Step 5: Solve for x
    x = 12,147,548,963,819,600/108,872,238.30
  6. Step 6: Final answer
    x = 111,576,184.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.