Home / 148,331,012.70-222,590,997.45-86,920,052.70

Finding the Fourth Proportional to 148,331,012.70, 222,590,997.45 and 86,920,052.70

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Solution

The fourth proportional to 148,331,012.70, 222,590,997.45 and 86,920,052.70 is: 130,435,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,331,012.70 : 222,590,997.45 = 86,920,052.70 : x
  2. Step 2: Convert to fraction form
    148,331,012.70/222,590,997.45 = 86,920,052.70/x
  3. Step 3: Cross multiply
    148,331,012.70x = 222,590,997.45 × 86,920,052.70
  4. Step 4: Simplify right side
    148,331,012.70x = 19,347,621,228,899,564
  5. Step 5: Solve for x
    x = 19,347,621,228,899,564/148,331,012.70
  6. Step 6: Final answer
    x = 130,435,442.17

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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.