Home / 314,194,983.90-471,073,367.61-139,222,853.34

Finding the Fourth Proportional to 314,194,983.90, 471,073,367.61 and 139,222,853.34

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Solution

The fourth proportional to 314,194,983.90, 471,073,367.61 and 139,222,853.34 is: 208,737,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,194,983.90 : 471,073,367.61 = 139,222,853.34 : x
  2. Step 2: Convert to fraction form
    314,194,983.90/471,073,367.61 = 139,222,853.34/x
  3. Step 3: Cross multiply
    314,194,983.90x = 471,073,367.61 × 139,222,853.34
  4. Step 4: Simplify right side
    314,194,983.90x = 65,584,178,371,146,936
  5. Step 5: Solve for x
    x = 65,584,178,371,146,936/314,194,983.90
  6. Step 6: Final answer
    x = 208,737,191.02

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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.