Home / 140,702,362.40-211,074,538.80-49,818,807.20

Finding the Fourth Proportional to 140,702,362.40, 211,074,538.80 and 49,818,807.20

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Solution

The fourth proportional to 140,702,362.40, 211,074,538.80 and 49,818,807.20 is: 74,735,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,702,362.40 : 211,074,538.80 = 49,818,807.20 : x
  2. Step 2: Convert to fraction form
    140,702,362.40/211,074,538.80 = 49,818,807.20/x
  3. Step 3: Cross multiply
    140,702,362.40x = 211,074,538.80 × 49,818,807.20
  4. Step 4: Simplify right side
    140,702,362.40x = 10,515,481,753,306,120
  5. Step 5: Solve for x
    x = 10,515,481,753,306,120/140,702,362.40
  6. Step 6: Final answer
    x = 74,735,644.62

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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.