Home / 138,402,262.17-190,995,448.10-75,682,426.41

Finding the Fourth Proportional to 138,402,262.17, 190,995,448.10 and 75,682,426.41

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Solution

The fourth proportional to 138,402,262.17, 190,995,448.10 and 75,682,426.41 is: 104,441,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,402,262.17 : 190,995,448.10 = 75,682,426.41 : x
  2. Step 2: Convert to fraction form
    138,402,262.17/190,995,448.10 = 75,682,426.41/x
  3. Step 3: Cross multiply
    138,402,262.17x = 190,995,448.10 × 75,682,426.41
  4. Step 4: Simplify right side
    138,402,262.17x = 14,454,998,945,094,812
  5. Step 5: Solve for x
    x = 14,454,998,945,094,812/138,402,262.17
  6. Step 6: Final answer
    x = 104,441,926.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.