Home / 140,396,903.04-193,739,641.92-77,669,304.96

Finding the Fourth Proportional to 140,396,903.04, 193,739,641.92 and 77,669,304.96

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Solution

The fourth proportional to 140,396,903.04, 193,739,641.92 and 77,669,304.96 is: 107,179,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396,903.04 : 193,739,641.92 = 77,669,304.96 : x
  2. Step 2: Convert to fraction form
    140,396,903.04/193,739,641.92 = 77,669,304.96/x
  3. Step 3: Cross multiply
    140,396,903.04x = 193,739,641.92 × 77,669,304.96
  4. Step 4: Simplify right side
    140,396,903.04x = 15,047,623,331,125,678
  5. Step 5: Solve for x
    x = 15,047,623,331,125,678/140,396,903.04
  6. Step 6: Final answer
    x = 107,179,168.52

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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.