Home / 52,888,367.28-78,976,399.83-43,192,215.21

Finding the Fourth Proportional to 52,888,367.28, 78,976,399.83 and 43,192,215.21

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Solution

The fourth proportional to 52,888,367.28, 78,976,399.83 and 43,192,215.21 is: 64,497,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,888,367.28 : 78,976,399.83 = 43,192,215.21 : x
  2. Step 2: Convert to fraction form
    52,888,367.28/78,976,399.83 = 43,192,215.21/x
  3. Step 3: Cross multiply
    52,888,367.28x = 78,976,399.83 × 43,192,215.21
  4. Step 4: Simplify right side
    52,888,367.28x = 3,411,165,657,968,367.50
  5. Step 5: Solve for x
    x = 3,411,165,657,968,367.50/52,888,367.28
  6. Step 6: Final answer
    x = 64,497,465.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.