Home / 211,159,663.07-316,921,845.24-146,508,868.94

Finding the Fourth Proportional to 211,159,663.07, 316,921,845.24 and 146,508,868.94

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Solution

The fourth proportional to 211,159,663.07, 316,921,845.24 and 146,508,868.94 is: 219,889,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,159,663.07 : 316,921,845.24 = 146,508,868.94 : x
  2. Step 2: Convert to fraction form
    211,159,663.07/316,921,845.24 = 146,508,868.94/x
  3. Step 3: Cross multiply
    211,159,663.07x = 316,921,845.24 × 146,508,868.94
  4. Step 4: Simplify right side
    211,159,663.07x = 46,431,861,086,905,512
  5. Step 5: Solve for x
    x = 46,431,861,086,905,512/211,159,663.07
  6. Step 6: Final answer
    x = 219,889,823.71

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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.