Home / 255,187,310.40-382,869,439.20-111,683,131.20

Finding the Fourth Proportional to 255,187,310.40, 382,869,439.20 and 111,683,131.20

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Solution

The fourth proportional to 255,187,310.40, 382,869,439.20 and 111,683,131.20 is: 167,563,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187,310.40 : 382,869,439.20 = 111,683,131.20 : x
  2. Step 2: Convert to fraction form
    255,187,310.40/382,869,439.20 = 111,683,131.20/x
  3. Step 3: Cross multiply
    255,187,310.40x = 382,869,439.20 × 111,683,131.20
  4. Step 4: Simplify right side
    255,187,310.40x = 42,760,057,810,644,024
  5. Step 5: Solve for x
    x = 42,760,057,810,644,024/255,187,310.40
  6. Step 6: Final answer
    x = 167,563,417.41

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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.