Home / 194,573,909.75-268,518,018.80-106,471,620.77

Finding the Fourth Proportional to 194,573,909.75, 268,518,018.80 and 106,471,620.77

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Solution

The fourth proportional to 194,573,909.75, 268,518,018.80 and 106,471,620.77 is: 146,934,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,573,909.75 : 268,518,018.80 = 106,471,620.77 : x
  2. Step 2: Convert to fraction form
    194,573,909.75/268,518,018.80 = 106,471,620.77/x
  3. Step 3: Cross multiply
    194,573,909.75x = 268,518,018.80 × 106,471,620.77
  4. Step 4: Simplify right side
    194,573,909.75x = 28,589,548,666,508,920
  5. Step 5: Solve for x
    x = 28,589,548,666,508,920/194,573,909.75
  6. Step 6: Final answer
    x = 146,934,132.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.