Home / 135,961,641.38-203,797,241.63-77,543,547.14

Finding the Fourth Proportional to 135,961,641.38, 203,797,241.63 and 77,543,547.14

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Solution

The fourth proportional to 135,961,641.38, 203,797,241.63 and 77,543,547.14 is: 116,232,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,641.38 : 203,797,241.63 = 77,543,547.14 : x
  2. Step 2: Convert to fraction form
    135,961,641.38/203,797,241.63 = 77,543,547.14/x
  3. Step 3: Cross multiply
    135,961,641.38x = 203,797,241.63 × 77,543,547.14
  4. Step 4: Simplify right side
    135,961,641.38x = 15,803,161,013,750,438
  5. Step 5: Solve for x
    x = 15,803,161,013,750,438/135,961,641.38
  6. Step 6: Final answer
    x = 116,232,496.56

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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.