Home / 72,827,565.80-109,241,348.70-69,468,333.80

Finding the Fourth Proportional to 72,827,565.80, 109,241,348.70 and 69,468,333.80

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Solution

The fourth proportional to 72,827,565.80, 109,241,348.70 and 69,468,333.80 is: 104,202,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,565.80 : 109,241,348.70 = 69,468,333.80 : x
  2. Step 2: Convert to fraction form
    72,827,565.80/109,241,348.70 = 69,468,333.80/x
  3. Step 3: Cross multiply
    72,827,565.80x = 109,241,348.70 × 69,468,333.80
  4. Step 4: Simplify right side
    72,827,565.80x = 7,588,814,476,253,796
  5. Step 5: Solve for x
    x = 7,588,814,476,253,796/72,827,565.80
  6. Step 6: Final answer
    x = 104,202,500.70

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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.