Home / 83,984,692.40-125,958,133.20-30,132,004.40

Finding the Fourth Proportional to 83,984,692.40, 125,958,133.20 and 30,132,004.40

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Solution

The fourth proportional to 83,984,692.40, 125,958,133.20 and 30,132,004.40 is: 45,191,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,692.40 : 125,958,133.20 = 30,132,004.40 : x
  2. Step 2: Convert to fraction form
    83,984,692.40/125,958,133.20 = 30,132,004.40/x
  3. Step 3: Cross multiply
    83,984,692.40x = 125,958,133.20 × 30,132,004.40
  4. Step 4: Simplify right side
    83,984,692.40x = 3,795,371,023,798,186
  5. Step 5: Solve for x
    x = 3,795,371,023,798,186/83,984,692.40
  6. Step 6: Final answer
    x = 45,191,223.73

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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.