Home / 373,247,995.20-559,871,992.80-100,646,318.40

Finding the Fourth Proportional to 373,247,995.20, 559,871,992.80 and 100,646,318.40

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Solution

The fourth proportional to 373,247,995.20, 559,871,992.80 and 100,646,318.40 is: 150,969,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,247,995.20 : 559,871,992.80 = 100,646,318.40 : x
  2. Step 2: Convert to fraction form
    373,247,995.20/559,871,992.80 = 100,646,318.40/x
  3. Step 3: Cross multiply
    373,247,995.20x = 559,871,992.80 × 100,646,318.40
  4. Step 4: Simplify right side
    373,247,995.20x = 56,349,054,850,591,304
  5. Step 5: Solve for x
    x = 56,349,054,850,591,304/373,247,995.20
  6. Step 6: Final answer
    x = 150,969,477.60

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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.