Home / 140,057,517.40-210,123,017.70-53,798,738.20

Finding the Fourth Proportional to 140,057,517.40, 210,123,017.70 and 53,798,738.20

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Solution

The fourth proportional to 140,057,517.40, 210,123,017.70 and 53,798,738.20 is: 80,712,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,057,517.40 : 210,123,017.70 = 53,798,738.20 : x
  2. Step 2: Convert to fraction form
    140,057,517.40/210,123,017.70 = 53,798,738.20/x
  3. Step 3: Cross multiply
    140,057,517.40x = 210,123,017.70 × 53,798,738.20
  4. Step 4: Simplify right side
    140,057,517.40x = 11,304,353,219,036,266
  5. Step 5: Solve for x
    x = 11,304,353,219,036,266/140,057,517.40
  6. Step 6: Final answer
    x = 80,712,220.44

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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.