Home / 68,761,314.33-94,884,943.91-40,499,281.95

Finding the Fourth Proportional to 68,761,314.33, 94,884,943.91 and 40,499,281.95

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Solution

The fourth proportional to 68,761,314.33, 94,884,943.91 and 40,499,281.95 is: 55,885,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761,314.33 : 94,884,943.91 = 40,499,281.95 : x
  2. Step 2: Convert to fraction form
    68,761,314.33/94,884,943.91 = 40,499,281.95/x
  3. Step 3: Cross multiply
    68,761,314.33x = 94,884,943.91 × 40,499,281.95
  4. Step 4: Simplify right side
    68,761,314.33x = 3,842,772,096,018,529.50
  5. Step 5: Solve for x
    x = 3,842,772,096,018,529.50/68,761,314.33
  6. Step 6: Final answer
    x = 55,885,669.63

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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.