Home / 102,807,216.92-141,873,126.04-55,764,172.88

Finding the Fourth Proportional to 102,807,216.92, 141,873,126.04 and 55,764,172.88

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Solution

The fourth proportional to 102,807,216.92, 141,873,126.04 and 55,764,172.88 is: 76,954,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807,216.92 : 141,873,126.04 = 55,764,172.88 : x
  2. Step 2: Convert to fraction form
    102,807,216.92/141,873,126.04 = 55,764,172.88/x
  3. Step 3: Cross multiply
    102,807,216.92x = 141,873,126.04 × 55,764,172.88
  4. Step 4: Simplify right side
    102,807,216.92x = 7,911,437,527,520,590
  5. Step 5: Solve for x
    x = 7,911,437,527,520,590/102,807,216.92
  6. Step 6: Final answer
    x = 76,954,106.57

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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.