Home / 189,705,776.24-261,794,145.96-102,785,648.24

Finding the Fourth Proportional to 189,705,776.24, 261,794,145.96 and 102,785,648.24

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Solution

The fourth proportional to 189,705,776.24, 261,794,145.96 and 102,785,648.24 is: 141,844,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,705,776.24 : 261,794,145.96 = 102,785,648.24 : x
  2. Step 2: Convert to fraction form
    189,705,776.24/261,794,145.96 = 102,785,648.24/x
  3. Step 3: Cross multiply
    189,705,776.24x = 261,794,145.96 × 102,785,648.24
  4. Step 4: Simplify right side
    189,705,776.24x = 26,908,680,997,935,776
  5. Step 5: Solve for x
    x = 26,908,680,997,935,776/189,705,776.24
  6. Step 6: Final answer
    x = 141,844,289.25

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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.