Home / 57,094,692.21-78,788,564.55-30,988,651.23

Finding the Fourth Proportional to 57,094,692.21, 78,788,564.55 and 30,988,651.23

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Solution

The fourth proportional to 57,094,692.21, 78,788,564.55 and 30,988,651.23 is: 42,763,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094,692.21 : 78,788,564.55 = 30,988,651.23 : x
  2. Step 2: Convert to fraction form
    57,094,692.21/78,788,564.55 = 30,988,651.23/x
  3. Step 3: Cross multiply
    57,094,692.21x = 78,788,564.55 × 30,988,651.23
  4. Step 4: Simplify right side
    57,094,692.21x = 2,441,551,347,752,292
  5. Step 5: Solve for x
    x = 2,441,551,347,752,292/57,094,692.21
  6. Step 6: Final answer
    x = 42,763,193.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.