Home / 67,009,278.47-100,205,354.95-63,740,418.09

Finding the Fourth Proportional to 67,009,278.47, 100,205,354.95 and 63,740,418.09

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Solution

The fourth proportional to 67,009,278.47, 100,205,354.95 and 63,740,418.09 is: 95,317,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009,278.47 : 100,205,354.95 = 63,740,418.09 : x
  2. Step 2: Convert to fraction form
    67,009,278.47/100,205,354.95 = 63,740,418.09/x
  3. Step 3: Cross multiply
    67,009,278.47x = 100,205,354.95 × 63,740,418.09
  4. Step 4: Simplify right side
    67,009,278.47x = 6,387,131,219,643,037
  5. Step 5: Solve for x
    x = 6,387,131,219,643,037/67,009,278.47
  6. Step 6: Final answer
    x = 95,317,116.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.