Home / 220,514,884.81-330,781,459.05-65,068,687.55

Finding the Fourth Proportional to 220,514,884.81, 330,781,459.05 and 65,068,687.55

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Solution

The fourth proportional to 220,514,884.81, 330,781,459.05 and 65,068,687.55 is: 97,605,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,514,884.81 : 330,781,459.05 = 65,068,687.55 : x
  2. Step 2: Convert to fraction form
    220,514,884.81/330,781,459.05 = 65,068,687.55/x
  3. Step 3: Cross multiply
    220,514,884.81x = 330,781,459.05 × 65,068,687.55
  4. Step 4: Simplify right side
    220,514,884.81x = 21,523,515,406,921,852
  5. Step 5: Solve for x
    x = 21,523,515,406,921,852/220,514,884.81
  6. Step 6: Final answer
    x = 97,605,725.92

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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.