Home / 145,547,534.22-217,658,180.94-108,685,310.23

Finding the Fourth Proportional to 145,547,534.22, 217,658,180.94 and 108,685,310.23

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Solution

The fourth proportional to 145,547,534.22, 217,658,180.94 and 108,685,310.23 is: 162,532,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,534.22 : 217,658,180.94 = 108,685,310.23 : x
  2. Step 2: Convert to fraction form
    145,547,534.22/217,658,180.94 = 108,685,310.23/x
  3. Step 3: Cross multiply
    145,547,534.22x = 217,658,180.94 × 108,685,310.23
  4. Step 4: Simplify right side
    145,547,534.22x = 23,656,246,919,561,372
  5. Step 5: Solve for x
    x = 23,656,246,919,561,372/145,547,534.22
  6. Step 6: Final answer
    x = 162,532,790.72

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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.