Home / 140,006,405.80-210,009,608.70-127,241,324.20

Finding the Fourth Proportional to 140,006,405.80, 210,009,608.70 and 127,241,324.20

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Solution

The fourth proportional to 140,006,405.80, 210,009,608.70 and 127,241,324.20 is: 190,861,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006,405.80 : 210,009,608.70 = 127,241,324.20 : x
  2. Step 2: Convert to fraction form
    140,006,405.80/210,009,608.70 = 127,241,324.20/x
  3. Step 3: Cross multiply
    140,006,405.80x = 210,009,608.70 × 127,241,324.20
  4. Step 4: Simplify right side
    140,006,405.80x = 26,721,900,705,711,840
  5. Step 5: Solve for x
    x = 26,721,900,705,711,840/140,006,405.80
  6. Step 6: Final answer
    x = 190,861,986.30

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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.