Home / 217,455,721.20-300,088,944.72-119,670,577.20

Finding the Fourth Proportional to 217,455,721.20, 300,088,944.72 and 119,670,577.20

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Solution

The fourth proportional to 217,455,721.20, 300,088,944.72 and 119,670,577.20 is: 165,145,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,721.20 : 300,088,944.72 = 119,670,577.20 : x
  2. Step 2: Convert to fraction form
    217,455,721.20/300,088,944.72 = 119,670,577.20/x
  3. Step 3: Cross multiply
    217,455,721.20x = 300,088,944.72 × 119,670,577.20
  4. Step 4: Simplify right side
    217,455,721.20x = 35,911,817,225,981,296
  5. Step 5: Solve for x
    x = 35,911,817,225,981,296/217,455,721.20
  6. Step 6: Final answer
    x = 165,145,423.76

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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.