Home / 57,847,151.82-86,725,072.29-28,680,880.98

Finding the Fourth Proportional to 57,847,151.82, 86,725,072.29 and 28,680,880.98

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Solution

The fourth proportional to 57,847,151.82, 86,725,072.29 and 28,680,880.98 is: 42,998,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847,151.82 : 86,725,072.29 = 28,680,880.98 : x
  2. Step 2: Convert to fraction form
    57,847,151.82/86,725,072.29 = 28,680,880.98/x
  3. Step 3: Cross multiply
    57,847,151.82x = 86,725,072.29 × 28,680,880.98
  4. Step 4: Simplify right side
    57,847,151.82x = 2,487,351,476,331,386.50
  5. Step 5: Solve for x
    x = 2,487,351,476,331,386.50/57,847,151.82
  6. Step 6: Final answer
    x = 42,998,685.30

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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.