Home / 331,835,680.70-497,777,435.88-127,363,755.98

Finding the Fourth Proportional to 331,835,680.70, 497,777,435.88 and 127,363,755.98

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Solution

The fourth proportional to 331,835,680.70, 497,777,435.88 and 127,363,755.98 is: 191,054,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,835,680.70 : 497,777,435.88 = 127,363,755.98 : x
  2. Step 2: Convert to fraction form
    331,835,680.70/497,777,435.88 = 127,363,755.98/x
  3. Step 3: Cross multiply
    331,835,680.70x = 497,777,435.88 × 127,363,755.98
  4. Step 4: Simplify right side
    331,835,680.70x = 63,398,803,875,770,416
  5. Step 5: Solve for x
    x = 63,398,803,875,770,416/331,835,680.70
  6. Step 6: Final answer
    x = 191,054,812.86

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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.