Home / 66,444,015.80-99,666,023.70-60,491,876.60

Finding the Fourth Proportional to 66,444,015.80, 99,666,023.70 and 60,491,876.60

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Solution

The fourth proportional to 66,444,015.80, 99,666,023.70 and 60,491,876.60 is: 90,737,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,444,015.80 : 99,666,023.70 = 60,491,876.60 : x
  2. Step 2: Convert to fraction form
    66,444,015.80/99,666,023.70 = 60,491,876.60/x
  3. Step 3: Cross multiply
    66,444,015.80x = 99,666,023.70 × 60,491,876.60
  4. Step 4: Simplify right side
    66,444,015.80x = 6,028,984,806,873,076
  5. Step 5: Solve for x
    x = 6,028,984,806,873,076/66,444,015.80
  6. Step 6: Final answer
    x = 90,737,814.90

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1.5x scale

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.