Home / 67,219,737.80-100,829,606.70-66,582,008.60

Finding the Fourth Proportional to 67,219,737.80, 100,829,606.70 and 66,582,008.60

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Solution

The fourth proportional to 67,219,737.80, 100,829,606.70 and 66,582,008.60 is: 99,873,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,219,737.80 : 100,829,606.70 = 66,582,008.60 : x
  2. Step 2: Convert to fraction form
    67,219,737.80/100,829,606.70 = 66,582,008.60/x
  3. Step 3: Cross multiply
    67,219,737.80x = 100,829,606.70 × 66,582,008.60
  4. Step 4: Simplify right side
    67,219,737.80x = 6,713,437,740,434,018
  5. Step 5: Solve for x
    x = 6,713,437,740,434,018/67,219,737.80
  6. Step 6: Final answer
    x = 99,873,012.90

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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.