Home / 161,031,812.40-241,547,718.60-74,741,540.40

Finding the Fourth Proportional to 161,031,812.40, 241,547,718.60 and 74,741,540.40

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Solution

The fourth proportional to 161,031,812.40, 241,547,718.60 and 74,741,540.40 is: 112,112,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,031,812.40 : 241,547,718.60 = 74,741,540.40 : x
  2. Step 2: Convert to fraction form
    161,031,812.40/241,547,718.60 = 74,741,540.40/x
  3. Step 3: Cross multiply
    161,031,812.40x = 241,547,718.60 × 74,741,540.40
  4. Step 4: Simplify right side
    161,031,812.40x = 18,053,648,568,269,732
  5. Step 5: Solve for x
    x = 18,053,648,568,269,732/161,031,812.40
  6. Step 6: Final answer
    x = 112,112,310.60

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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.