Home / 120,146,991.74-179,926,549.95-108,501,659

Finding the Fourth Proportional to 120,146,991.74, 179,926,549.95 and 108,501,659

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Solution

The fourth proportional to 120,146,991.74, 179,926,549.95 and 108,501,659 is: 162,487,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,146,991.74 : 179,926,549.95 = 108,501,659 : x
  2. Step 2: Convert to fraction form
    120,146,991.74/179,926,549.95 = 108,501,659/x
  3. Step 3: Cross multiply
    120,146,991.74x = 179,926,549.95 × 108,501,659
  4. Step 4: Simplify right side
    120,146,991.74x = 19,522,329,167,721,364
  5. Step 5: Solve for x
    x = 19,522,329,167,721,364/120,146,991.74
  6. Step 6: Final answer
    x = 162,487,040.96

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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.