Home / 210,818,299.62-290,887,909.74-132,456,450.72

Finding the Fourth Proportional to 210,818,299.62, 290,887,909.74 and 132,456,450.72

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Solution

The fourth proportional to 210,818,299.62, 290,887,909.74 and 132,456,450.72 is: 182,763,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,818,299.62 : 290,887,909.74 = 132,456,450.72 : x
  2. Step 2: Convert to fraction form
    210,818,299.62/290,887,909.74 = 132,456,450.72/x
  3. Step 3: Cross multiply
    210,818,299.62x = 290,887,909.74 × 132,456,450.72
  4. Step 4: Simplify right side
    210,818,299.62x = 38,529,980,081,520,120
  5. Step 5: Solve for x
    x = 38,529,980,081,520,120/210,818,299.62
  6. Step 6: Final answer
    x = 182,763,925.86

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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.