Home / 108,468,782.36-149,696,151.24-61,434,222.88

Finding the Fourth Proportional to 108,468,782.36, 149,696,151.24 and 61,434,222.88

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Solution

The fourth proportional to 108,468,782.36, 149,696,151.24 and 61,434,222.88 is: 84,784,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468,782.36 : 149,696,151.24 = 61,434,222.88 : x
  2. Step 2: Convert to fraction form
    108,468,782.36/149,696,151.24 = 61,434,222.88/x
  3. Step 3: Cross multiply
    108,468,782.36x = 149,696,151.24 × 61,434,222.88
  4. Step 4: Simplify right side
    108,468,782.36x = 9,196,466,719,556,350
  5. Step 5: Solve for x
    x = 9,196,466,719,556,350/108,468,782.36
  6. Step 6: Final answer
    x = 84,784,456.13

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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.