Home / 159,128,844.30-238,693,266.45-120,865,092.30

Finding the Fourth Proportional to 159,128,844.30, 238,693,266.45 and 120,865,092.30

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Solution

The fourth proportional to 159,128,844.30, 238,693,266.45 and 120,865,092.30 is: 181,297,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,128,844.30 : 238,693,266.45 = 120,865,092.30 : x
  2. Step 2: Convert to fraction form
    159,128,844.30/238,693,266.45 = 120,865,092.30/x
  3. Step 3: Cross multiply
    159,128,844.30x = 238,693,266.45 × 120,865,092.30
  4. Step 4: Simplify right side
    159,128,844.30x = 28,849,683,680,867,740
  5. Step 5: Solve for x
    x = 28,849,683,680,867,740/159,128,844.30
  6. Step 6: Final answer
    x = 181,297,638.45

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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.