Home / 98,431,505.51-147,627,216.34-36,161,417.68

Finding the Fourth Proportional to 98,431,505.51, 147,627,216.34 and 36,161,417.68

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Solution

The fourth proportional to 98,431,505.51, 147,627,216.34 and 36,161,417.68 is: 54,234,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,431,505.51 : 147,627,216.34 = 36,161,417.68 : x
  2. Step 2: Convert to fraction form
    98,431,505.51/147,627,216.34 = 36,161,417.68/x
  3. Step 3: Cross multiply
    98,431,505.51x = 147,627,216.34 × 36,161,417.68
  4. Step 4: Simplify right side
    98,431,505.51x = 5,338,409,431,013,105
  5. Step 5: Solve for x
    x = 5,338,409,431,013,105/98,431,505.51
  6. Step 6: Final answer
    x = 54,234,763.59

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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.