Home / 149,788,285.61-206,689,929.37-82,798,193.87

Finding the Fourth Proportional to 149,788,285.61, 206,689,929.37 and 82,798,193.87

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Solution

The fourth proportional to 149,788,285.61, 206,689,929.37 and 82,798,193.87 is: 114,251,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,788,285.61 : 206,689,929.37 = 82,798,193.87 : x
  2. Step 2: Convert to fraction form
    149,788,285.61/206,689,929.37 = 82,798,193.87/x
  3. Step 3: Cross multiply
    149,788,285.61x = 206,689,929.37 × 82,798,193.87
  4. Step 4: Simplify right side
    149,788,285.61x = 17,113,552,842,488,510
  5. Step 5: Solve for x
    x = 17,113,552,842,488,510/149,788,285.61
  6. Step 6: Final answer
    x = 114,251,610.35

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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.