Home / 135,961,641.80-203,797,242.25-77,543,547.56

Finding the Fourth Proportional to 135,961,641.80, 203,797,242.25 and 77,543,547.56

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Solution

The fourth proportional to 135,961,641.80, 203,797,242.25 and 77,543,547.56 is: 116,232,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,641.80 : 203,797,242.25 = 77,543,547.56 : x
  2. Step 2: Convert to fraction form
    135,961,641.80/203,797,242.25 = 77,543,547.56/x
  3. Step 3: Cross multiply
    135,961,641.80x = 203,797,242.25 × 77,543,547.56
  4. Step 4: Simplify right side
    135,961,641.80x = 15,803,161,148,144,040
  5. Step 5: Solve for x
    x = 15,803,161,148,144,040/135,961,641.80
  6. Step 6: Final answer
    x = 116,232,497.18

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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.