Home / 143,791,393.80-215,687,090.70-109,779,169.80

Finding the Fourth Proportional to 143,791,393.80, 215,687,090.70 and 109,779,169.80

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Solution

The fourth proportional to 143,791,393.80, 215,687,090.70 and 109,779,169.80 is: 164,668,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791,393.80 : 215,687,090.70 = 109,779,169.80 : x
  2. Step 2: Convert to fraction form
    143,791,393.80/215,687,090.70 = 109,779,169.80/x
  3. Step 3: Cross multiply
    143,791,393.80x = 215,687,090.70 × 109,779,169.80
  4. Step 4: Simplify right side
    143,791,393.80x = 23,677,949,753,623,300
  5. Step 5: Solve for x
    x = 23,677,949,753,623,300/143,791,393.80
  6. Step 6: Final answer
    x = 164,668,754.70

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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.