Home / 70,820,493.80-106,060,439.26-40,436,263.40

Finding the Fourth Proportional to 70,820,493.80, 106,060,439.26 and 40,436,263.40

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Solution

The fourth proportional to 70,820,493.80, 106,060,439.26 and 40,436,263.40 is: 60,557,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,820,493.80 : 106,060,439.26 = 40,436,263.40 : x
  2. Step 2: Convert to fraction form
    70,820,493.80/106,060,439.26 = 40,436,263.40/x
  3. Step 3: Cross multiply
    70,820,493.80x = 106,060,439.26 × 40,436,263.40
  4. Step 4: Simplify right side
    70,820,493.80x = 4,288,687,858,237,061
  5. Step 5: Solve for x
    x = 4,288,687,858,237,061/70,820,493.80
  6. Step 6: Final answer
    x = 60,557,158.36

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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.