Home / 189,154,607.22-261,033,240.06-102,234,479.22

Finding the Fourth Proportional to 189,154,607.22, 261,033,240.06 and 102,234,479.22

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Solution

The fourth proportional to 189,154,607.22, 261,033,240.06 and 102,234,479.22 is: 141,083,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154,607.22 : 261,033,240.06 = 102,234,479.22 : x
  2. Step 2: Convert to fraction form
    189,154,607.22/261,033,240.06 = 102,234,479.22/x
  3. Step 3: Cross multiply
    189,154,607.22x = 261,033,240.06 × 102,234,479.22
  4. Step 4: Simplify right side
    189,154,607.22x = 26,686,597,356,643,340
  5. Step 5: Solve for x
    x = 26,686,597,356,643,340/189,154,607.22
  6. Step 6: Final answer
    x = 141,083,517.60

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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.