Home / 135,945,562.51-187,598,356.37-77,200,468.03

Finding the Fourth Proportional to 135,945,562.51, 187,598,356.37 and 77,200,468.03

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Solution

The fourth proportional to 135,945,562.51, 187,598,356.37 and 77,200,468.03 is: 106,532,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945,562.51 : 187,598,356.37 = 77,200,468.03 : x
  2. Step 2: Convert to fraction form
    135,945,562.51/187,598,356.37 = 77,200,468.03/x
  3. Step 3: Cross multiply
    135,945,562.51x = 187,598,356.37 × 77,200,468.03
  4. Step 4: Simplify right side
    135,945,562.51x = 14,482,680,912,484,742
  5. Step 5: Solve for x
    x = 14,482,680,912,484,742/135,945,562.51
  6. Step 6: Final answer
    x = 106,532,943.38

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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.