Home / 77,702,127.84-107,229,278.91-42,895,104.30

Finding the Fourth Proportional to 77,702,127.84, 107,229,278.91 and 42,895,104.30

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Solution

The fourth proportional to 77,702,127.84, 107,229,278.91 and 42,895,104.30 is: 59,195,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,702,127.84 : 107,229,278.91 = 42,895,104.30 : x
  2. Step 2: Convert to fraction form
    77,702,127.84/107,229,278.91 = 42,895,104.30/x
  3. Step 3: Cross multiply
    77,702,127.84x = 107,229,278.91 × 42,895,104.30
  4. Step 4: Simplify right side
    77,702,127.84x = 4,599,611,102,858,240
  5. Step 5: Solve for x
    x = 4,599,611,102,858,240/77,702,127.84
  6. Step 6: Final answer
    x = 59,195,433.00

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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.