Home / 266,040,683.60-399,061,025.40-163,472,133.20

Finding the Fourth Proportional to 266,040,683.60, 399,061,025.40 and 163,472,133.20

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Solution

The fourth proportional to 266,040,683.60, 399,061,025.40 and 163,472,133.20 is: 245,208,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,040,683.60 : 399,061,025.40 = 163,472,133.20 : x
  2. Step 2: Convert to fraction form
    266,040,683.60/399,061,025.40 = 163,472,133.20/x
  3. Step 3: Cross multiply
    266,040,683.60x = 399,061,025.40 × 163,472,133.20
  4. Step 4: Simplify right side
    266,040,683.60x = 65,235,357,099,117,376
  5. Step 5: Solve for x
    x = 65,235,357,099,117,376/266,040,683.60
  6. Step 6: Final answer
    x = 245,208,199.80

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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.