Home / 159,037,098.30-238,555,647.45-128,804,010.30

Finding the Fourth Proportional to 159,037,098.30, 238,555,647.45 and 128,804,010.30

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Solution

The fourth proportional to 159,037,098.30, 238,555,647.45 and 128,804,010.30 is: 193,206,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,037,098.30 : 238,555,647.45 = 128,804,010.30 : x
  2. Step 2: Convert to fraction form
    159,037,098.30/238,555,647.45 = 128,804,010.30/x
  3. Step 3: Cross multiply
    159,037,098.30x = 238,555,647.45 × 128,804,010.30
  4. Step 4: Simplify right side
    159,037,098.30x = 30,726,924,071,272,968
  5. Step 5: Solve for x
    x = 30,726,924,071,272,968/159,037,098.30
  6. Step 6: Final answer
    x = 193,206,015.45

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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.