Home / 159,231,628.08-219,715,946.64-89,612,857.04

Finding the Fourth Proportional to 159,231,628.08, 219,715,946.64 and 89,612,857.04

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Solution

The fourth proportional to 159,231,628.08, 219,715,946.64 and 89,612,857.04 is: 123,652,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,231,628.08 : 219,715,946.64 = 89,612,857.04 : x
  2. Step 2: Convert to fraction form
    159,231,628.08/219,715,946.64 = 89,612,857.04/x
  3. Step 3: Cross multiply
    159,231,628.08x = 219,715,946.64 × 89,612,857.04
  4. Step 4: Simplify right side
    159,231,628.08x = 19,689,373,715,658,588
  5. Step 5: Solve for x
    x = 19,689,373,715,658,588/159,231,628.08
  6. Step 6: Final answer
    x = 123,652,404.70

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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.