Home / 206,970,012.40-310,670,350.72-152,444,165.80

Finding the Fourth Proportional to 206,970,012.40, 310,670,350.72 and 152,444,165.80

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Solution

The fourth proportional to 206,970,012.40, 310,670,350.72 and 152,444,165.80 is: 228,824,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,970,012.40 : 310,670,350.72 = 152,444,165.80 : x
  2. Step 2: Convert to fraction form
    206,970,012.40/310,670,350.72 = 152,444,165.80/x
  3. Step 3: Cross multiply
    206,970,012.40x = 310,670,350.72 × 152,444,165.80
  4. Step 4: Simplify right side
    206,970,012.40x = 47,359,882,454,303,840
  5. Step 5: Solve for x
    x = 47,359,882,454,303,840/206,970,012.40
  6. Step 6: Final answer
    x = 228,824,851.99

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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.