Home / 76,026,869.28-104,919,292.42-42,986,408.66

Finding the Fourth Proportional to 76,026,869.28, 104,919,292.42 and 42,986,408.66

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Solution

The fourth proportional to 76,026,869.28, 104,919,292.42 and 42,986,408.66 is: 59,322,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,869.28 : 104,919,292.42 = 42,986,408.66 : x
  2. Step 2: Convert to fraction form
    76,026,869.28/104,919,292.42 = 42,986,408.66/x
  3. Step 3: Cross multiply
    76,026,869.28x = 104,919,292.42 × 42,986,408.66
  4. Step 4: Simplify right side
    76,026,869.28x = 4,510,103,580,284,160
  5. Step 5: Solve for x
    x = 4,510,103,580,284,160/76,026,869.28
  6. Step 6: Final answer
    x = 59,322,495.10

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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.