Home / 94,784,010.60-142,176,015.90-78,628,204.20

Finding the Fourth Proportional to 94,784,010.60, 142,176,015.90 and 78,628,204.20

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Solution

The fourth proportional to 94,784,010.60, 142,176,015.90 and 78,628,204.20 is: 117,942,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,784,010.60 : 142,176,015.90 = 78,628,204.20 : x
  2. Step 2: Convert to fraction form
    94,784,010.60/142,176,015.90 = 78,628,204.20/x
  3. Step 3: Cross multiply
    94,784,010.60x = 142,176,015.90 × 78,628,204.20
  4. Step 4: Simplify right side
    94,784,010.60x = 11,179,044,810,527,648
  5. Step 5: Solve for x
    x = 11,179,044,810,527,648/94,784,010.60
  6. Step 6: Final answer
    x = 117,942,306.30

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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.