Home / 129,871,202.40-194,806,803.60-80,553,477.60

Finding the Fourth Proportional to 129,871,202.40, 194,806,803.60 and 80,553,477.60

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Solution

The fourth proportional to 129,871,202.40, 194,806,803.60 and 80,553,477.60 is: 120,830,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,871,202.40 : 194,806,803.60 = 80,553,477.60 : x
  2. Step 2: Convert to fraction form
    129,871,202.40/194,806,803.60 = 80,553,477.60/x
  3. Step 3: Cross multiply
    129,871,202.40x = 194,806,803.60 × 80,553,477.60
  4. Step 4: Simplify right side
    129,871,202.40x = 15,692,365,490,120,198
  5. Step 5: Solve for x
    x = 15,692,365,490,120,198/129,871,202.40
  6. Step 6: Final answer
    x = 120,830,216.40

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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.