Home / 131,415,341.20-197,107,951.74-34,380,412.72

Finding the Fourth Proportional to 131,415,341.20, 197,107,951.74 and 34,380,412.72

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Solution

The fourth proportional to 131,415,341.20, 197,107,951.74 and 34,380,412.72 is: 51,566,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415,341.20 : 197,107,951.74 = 34,380,412.72 : x
  2. Step 2: Convert to fraction form
    131,415,341.20/197,107,951.74 = 34,380,412.72/x
  3. Step 3: Cross multiply
    131,415,341.20x = 197,107,951.74 × 34,380,412.72
  4. Step 4: Simplify right side
    131,415,341.20x = 6,776,652,731,215,042
  5. Step 5: Solve for x
    x = 6,776,652,731,215,042/131,415,341.20
  6. Step 6: Final answer
    x = 51,566,679.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.