Home / 230,871,047.46-318,607,200.48-131,749,821.42

Finding the Fourth Proportional to 230,871,047.46, 318,607,200.48 and 131,749,821.42

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Solution

The fourth proportional to 230,871,047.46, 318,607,200.48 and 131,749,821.42 is: 181,817,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,871,047.46 : 318,607,200.48 = 131,749,821.42 : x
  2. Step 2: Convert to fraction form
    230,871,047.46/318,607,200.48 = 131,749,821.42/x
  3. Step 3: Cross multiply
    230,871,047.46x = 318,607,200.48 × 131,749,821.42
  4. Step 4: Simplify right side
    230,871,047.46x = 41,976,441,766,366,144
  5. Step 5: Solve for x
    x = 41,976,441,766,366,144/230,871,047.46
  6. Step 6: Final answer
    x = 181,817,695.32

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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.