Home / 314,929,124.70-472,393,687.05-161,874,116.70

Finding the Fourth Proportional to 314,929,124.70, 472,393,687.05 and 161,874,116.70

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Solution

The fourth proportional to 314,929,124.70, 472,393,687.05 and 161,874,116.70 is: 242,811,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,124.70 : 472,393,687.05 = 161,874,116.70 : x
  2. Step 2: Convert to fraction form
    314,929,124.70/472,393,687.05 = 161,874,116.70/x
  3. Step 3: Cross multiply
    314,929,124.70x = 472,393,687.05 × 161,874,116.70
  4. Step 4: Simplify right side
    314,929,124.70x = 76,468,310,825,874,976
  5. Step 5: Solve for x
    x = 76,468,310,825,874,976/314,929,124.70
  6. Step 6: Final answer
    x = 242,811,175.05

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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.