Home / 157,794,719.09-217,757,007.99-88,180,100.15

Finding the Fourth Proportional to 157,794,719.09, 217,757,007.99 and 88,180,100.15

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Solution

The fourth proportional to 157,794,719.09, 217,757,007.99 and 88,180,100.15 is: 121,688,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,794,719.09 : 217,757,007.99 = 88,180,100.15 : x
  2. Step 2: Convert to fraction form
    157,794,719.09/217,757,007.99 = 88,180,100.15/x
  3. Step 3: Cross multiply
    157,794,719.09x = 217,757,007.99 × 88,180,100.15
  4. Step 4: Simplify right side
    157,794,719.09x = 19,201,834,771,833,764
  5. Step 5: Solve for x
    x = 19,201,834,771,833,764/157,794,719.09
  6. Step 6: Final answer
    x = 121,688,703.42

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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.