Home / 48,511,643.80-72,767,465.70-39,902,299.60

Finding the Fourth Proportional to 48,511,643.80, 72,767,465.70 and 39,902,299.60

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Solution

The fourth proportional to 48,511,643.80, 72,767,465.70 and 39,902,299.60 is: 59,853,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511,643.80 : 72,767,465.70 = 39,902,299.60 : x
  2. Step 2: Convert to fraction form
    48,511,643.80/72,767,465.70 = 39,902,299.60/x
  3. Step 3: Cross multiply
    48,511,643.80x = 72,767,465.70 × 39,902,299.60
  4. Step 4: Simplify right side
    48,511,643.80x = 2,903,589,217,494,124
  5. Step 5: Solve for x
    x = 2,903,589,217,494,124/48,511,643.80
  6. Step 6: Final answer
    x = 59,853,449.40

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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.