Home / 43,163,988.60-64,745,982.90-42,912,046.20

Finding the Fourth Proportional to 43,163,988.60, 64,745,982.90 and 42,912,046.20

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Solution

The fourth proportional to 43,163,988.60, 64,745,982.90 and 42,912,046.20 is: 64,368,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163,988.60 : 64,745,982.90 = 42,912,046.20 : x
  2. Step 2: Convert to fraction form
    43,163,988.60/64,745,982.90 = 42,912,046.20/x
  3. Step 3: Cross multiply
    43,163,988.60x = 64,745,982.90 × 42,912,046.20
  4. Step 4: Simplify right side
    43,163,988.60x = 2,778,382,609,469,210
  5. Step 5: Solve for x
    x = 2,778,382,609,469,210/43,163,988.60
  6. Step 6: Final answer
    x = 64,368,069.30

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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.