Home / 207,407,378.80-310,912,002.60-161,323,692.40

Finding the Fourth Proportional to 207,407,378.80, 310,912,002.60 and 161,323,692.40

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Solution

The fourth proportional to 207,407,378.80, 310,912,002.60 and 161,323,692.40 is: 241,830,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,407,378.80 : 310,912,002.60 = 161,323,692.40 : x
  2. Step 2: Convert to fraction form
    207,407,378.80/310,912,002.60 = 161,323,692.40/x
  3. Step 3: Cross multiply
    207,407,378.80x = 310,912,002.60 × 161,323,692.40
  4. Step 4: Simplify right side
    207,407,378.80x = 50,157,472,270,910,408
  5. Step 5: Solve for x
    x = 50,157,472,270,910,408/207,407,378.80
  6. Step 6: Final answer
    x = 241,830,703.23

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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.