Home / 143,769,439.20-215,654,158.80-118,260,271.20

Finding the Fourth Proportional to 143,769,439.20, 215,654,158.80 and 118,260,271.20

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Solution

The fourth proportional to 143,769,439.20, 215,654,158.80 and 118,260,271.20 is: 177,390,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,769,439.20 : 215,654,158.80 = 118,260,271.20 : x
  2. Step 2: Convert to fraction form
    143,769,439.20/215,654,158.80 = 118,260,271.20/x
  3. Step 3: Cross multiply
    143,769,439.20x = 215,654,158.80 × 118,260,271.20
  4. Step 4: Simplify right side
    143,769,439.20x = 25,503,319,305,095,868
  5. Step 5: Solve for x
    x = 25,503,319,305,095,868/143,769,439.20
  6. Step 6: Final answer
    x = 177,390,406.80

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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.