Home / 67,299,430.60-100,949,145.90-66,874,277.80

Finding the Fourth Proportional to 67,299,430.60, 100,949,145.90 and 66,874,277.80

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Solution

The fourth proportional to 67,299,430.60, 100,949,145.90 and 66,874,277.80 is: 100,311,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299,430.60 : 100,949,145.90 = 66,874,277.80 : x
  2. Step 2: Convert to fraction form
    67,299,430.60/100,949,145.90 = 66,874,277.80/x
  3. Step 3: Cross multiply
    67,299,430.60x = 100,949,145.90 × 66,874,277.80
  4. Step 4: Simplify right side
    67,299,430.60x = 6,750,901,226,589,331
  5. Step 5: Solve for x
    x = 6,750,901,226,589,331/67,299,430.60
  6. Step 6: Final answer
    x = 100,311,416.70

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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.