Home / 89,776,641.88-123,891,819-50,084,172.70

Finding the Fourth Proportional to 89,776,641.88, 123,891,819 and 50,084,172.70

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Solution

The fourth proportional to 89,776,641.88, 123,891,819 and 50,084,172.70 is: 69,116,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776,641.88 : 123,891,819 = 50,084,172.70 : x
  2. Step 2: Convert to fraction form
    89,776,641.88/123,891,819 = 50,084,172.70/x
  3. Step 3: Cross multiply
    89,776,641.88x = 123,891,819 × 50,084,172.70
  4. Step 4: Simplify right side
    89,776,641.88x = 6,205,019,258,913,142
  5. Step 5: Solve for x
    x = 6,205,019,258,913,142/89,776,641.88
  6. Step 6: Final answer
    x = 69,116,188.01

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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.