Home / 159,659,211.66-239,301,053.82-72,118,552.38

Finding the Fourth Proportional to 159,659,211.66, 239,301,053.82 and 72,118,552.38

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Solution

The fourth proportional to 159,659,211.66, 239,301,053.82 and 72,118,552.38 is: 108,093,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,659,211.66 : 239,301,053.82 = 72,118,552.38 : x
  2. Step 2: Convert to fraction form
    159,659,211.66/239,301,053.82 = 72,118,552.38/x
  3. Step 3: Cross multiply
    159,659,211.66x = 239,301,053.82 × 72,118,552.38
  4. Step 4: Simplify right side
    159,659,211.66x = 17,258,045,584,506,868
  5. Step 5: Solve for x
    x = 17,258,045,584,506,868/159,659,211.66
  6. Step 6: Final answer
    x = 108,093,015.15

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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.