Home / 157,510,965.24-217,365,172.12-86,946,614.82

Finding the Fourth Proportional to 157,510,965.24, 217,365,172.12 and 86,946,614.82

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Solution

The fourth proportional to 157,510,965.24, 217,365,172.12 and 86,946,614.82 is: 119,986,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,510,965.24 : 217,365,172.12 = 86,946,614.82 : x
  2. Step 2: Convert to fraction form
    157,510,965.24/217,365,172.12 = 86,946,614.82/x
  3. Step 3: Cross multiply
    157,510,965.24x = 217,365,172.12 × 86,946,614.82
  4. Step 4: Simplify right side
    157,510,965.24x = 18,899,165,895,600,640
  5. Step 5: Solve for x
    x = 18,899,165,895,600,640/157,510,965.24
  6. Step 6: Final answer
    x = 119,986,350.58

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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.