Home / 42,920,022.35-64,380,033.53-41,245,983.20

Finding the Fourth Proportional to 42,920,022.35, 64,380,033.53 and 41,245,983.20

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Solution

The fourth proportional to 42,920,022.35, 64,380,033.53 and 41,245,983.20 is: 61,868,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920,022.35 : 64,380,033.53 = 41,245,983.20 : x
  2. Step 2: Convert to fraction form
    42,920,022.35/64,380,033.53 = 41,245,983.20/x
  3. Step 3: Cross multiply
    42,920,022.35x = 64,380,033.53 × 41,245,983.20
  4. Step 4: Simplify right side
    42,920,022.35x = 2,655,417,781,187,587
  5. Step 5: Solve for x
    x = 2,655,417,781,187,587/42,920,022.35
  6. Step 6: Final answer
    x = 61,868,974.80

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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.