Home / 131,899,421.14-197,791,394.91-54,122,965.18

Finding the Fourth Proportional to 131,899,421.14, 197,791,394.91 and 54,122,965.18

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Solution

The fourth proportional to 131,899,421.14, 197,791,394.91 and 54,122,965.18 is: 81,160,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,899,421.14 : 197,791,394.91 = 54,122,965.18 : x
  2. Step 2: Convert to fraction form
    131,899,421.14/197,791,394.91 = 54,122,965.18/x
  3. Step 3: Cross multiply
    131,899,421.14x = 197,791,394.91 × 54,122,965.18
  4. Step 4: Simplify right side
    131,899,421.14x = 10,705,056,779,617,558
  5. Step 5: Solve for x
    x = 10,705,056,779,617,558/131,899,421.14
  6. Step 6: Final answer
    x = 81,160,756.33

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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.