Home / 79,413,827.82-118,755,043.11-75,539,622.93

Finding the Fourth Proportional to 79,413,827.82, 118,755,043.11 and 75,539,622.93

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Solution

The fourth proportional to 79,413,827.82, 118,755,043.11 and 75,539,622.93 is: 112,961,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,413,827.82 : 118,755,043.11 = 75,539,622.93 : x
  2. Step 2: Convert to fraction form
    79,413,827.82/118,755,043.11 = 75,539,622.93/x
  3. Step 3: Cross multiply
    79,413,827.82x = 118,755,043.11 × 75,539,622.93
  4. Step 4: Simplify right side
    79,413,827.82x = 8,970,711,177,565,295
  5. Step 5: Solve for x
    x = 8,970,711,177,565,295/79,413,827.82
  6. Step 6: Final answer
    x = 112,961,576.39

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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.