Home / 76,125,686.76-105,050,633.10-41,317,629.84

Finding the Fourth Proportional to 76,125,686.76, 105,050,633.10 and 41,317,629.84

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Solution

The fourth proportional to 76,125,686.76, 105,050,633.10 and 41,317,629.84 is: 57,016,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125,686.76 : 105,050,633.10 = 41,317,629.84 : x
  2. Step 2: Convert to fraction form
    76,125,686.76/105,050,633.10 = 41,317,629.84/x
  3. Step 3: Cross multiply
    76,125,686.76x = 105,050,633.10 × 41,317,629.84
  4. Step 4: Simplify right side
    76,125,686.76x = 4,340,443,172,883,452
  5. Step 5: Solve for x
    x = 4,340,443,172,883,452/76,125,686.76
  6. Step 6: Final answer
    x = 57,016,801.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.