Home / 157,437,429.84-217,273,651.56-87,822,668.88

Finding the Fourth Proportional to 157,437,429.84, 217,273,651.56 and 87,822,668.88

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Solution

The fourth proportional to 157,437,429.84, 217,273,651.56 and 87,822,668.88 is: 121,200,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437,429.84 : 217,273,651.56 = 87,822,668.88 : x
  2. Step 2: Convert to fraction form
    157,437,429.84/217,273,651.56 = 87,822,668.88/x
  3. Step 3: Cross multiply
    157,437,429.84x = 217,273,651.56 × 87,822,668.88
  4. Step 4: Simplify right side
    157,437,429.84x = 19,081,551,957,302,376
  5. Step 5: Solve for x
    x = 19,081,551,957,302,376/157,437,429.84
  6. Step 6: Final answer
    x = 121,200,860.41

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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.