Home / 56,866,752.36-78,476,064.62-30,761,209.96

Finding the Fourth Proportional to 56,866,752.36, 78,476,064.62 and 30,761,209.96

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Solution

The fourth proportional to 56,866,752.36, 78,476,064.62 and 30,761,209.96 is: 42,450,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866,752.36 : 78,476,064.62 = 30,761,209.96 : x
  2. Step 2: Convert to fraction form
    56,866,752.36/78,476,064.62 = 30,761,209.96/x
  3. Step 3: Cross multiply
    56,866,752.36x = 78,476,064.62 × 30,761,209.96
  4. Step 4: Simplify right side
    56,866,752.36x = 2,414,018,700,610,348
  5. Step 5: Solve for x
    x = 2,414,018,700,610,348/56,866,752.36
  6. Step 6: Final answer
    x = 42,450,440.73

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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.