Home / 220,514,886.56-330,781,461.68-65,068,689.30

Finding the Fourth Proportional to 220,514,886.56, 330,781,461.68 and 65,068,689.30

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Solution

The fourth proportional to 220,514,886.56, 330,781,461.68 and 65,068,689.30 is: 97,605,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,514,886.56 : 330,781,461.68 = 65,068,689.30 : x
  2. Step 2: Convert to fraction form
    220,514,886.56/330,781,461.68 = 65,068,689.30/x
  3. Step 3: Cross multiply
    220,514,886.56x = 330,781,461.68 × 65,068,689.30
  4. Step 4: Simplify right side
    220,514,886.56x = 21,523,516,155,930,432
  5. Step 5: Solve for x
    x = 21,523,516,155,930,432/220,514,886.56
  6. Step 6: Final answer
    x = 97,605,728.54

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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.