Home / 104,162,851.64-143,678,856.14-66,929,139.38

Finding the Fourth Proportional to 104,162,851.64, 143,678,856.14 and 66,929,139.38

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Solution

The fourth proportional to 104,162,851.64, 143,678,856.14 and 66,929,139.38 is: 92,319,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,162,851.64 : 143,678,856.14 = 66,929,139.38 : x
  2. Step 2: Convert to fraction form
    104,162,851.64/143,678,856.14 = 66,929,139.38/x
  3. Step 3: Cross multiply
    104,162,851.64x = 143,678,856.14 × 66,929,139.38
  4. Step 4: Simplify right side
    104,162,851.64x = 9,616,302,188,553,028
  5. Step 5: Solve for x
    x = 9,616,302,188,553,028/104,162,851.64
  6. Step 6: Final answer
    x = 92,319,882.16

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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.