Home / 103,786,967.30-143,202,252.92-61,962,892.34

Finding the Fourth Proportional to 103,786,967.30, 143,202,252.92 and 61,962,892.34

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Solution

The fourth proportional to 103,786,967.30, 143,202,252.92 and 61,962,892.34 is: 85,494,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,786,967.30 : 143,202,252.92 = 61,962,892.34 : x
  2. Step 2: Convert to fraction form
    103,786,967.30/143,202,252.92 = 61,962,892.34/x
  3. Step 3: Cross multiply
    103,786,967.30x = 143,202,252.92 × 61,962,892.34
  4. Step 4: Simplify right side
    103,786,967.30x = 8,873,225,780,527,410
  5. Step 5: Solve for x
    x = 8,873,225,780,527,410/103,786,967.30
  6. Step 6: Final answer
    x = 85,494,605.07

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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.