Home / 105,805,402.56-146,013,260.67-58,122,667.58

Finding the Fourth Proportional to 105,805,402.56, 146,013,260.67 and 58,122,667.58

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Solution

The fourth proportional to 105,805,402.56, 146,013,260.67 and 58,122,667.58 is: 80,210,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,805,402.56 : 146,013,260.67 = 58,122,667.58 : x
  2. Step 2: Convert to fraction form
    105,805,402.56/146,013,260.67 = 58,122,667.58/x
  3. Step 3: Cross multiply
    105,805,402.56x = 146,013,260.67 × 58,122,667.58
  4. Step 4: Simplify right side
    105,805,402.56x = 8,486,680,211,682,193
  5. Step 5: Solve for x
    x = 8,486,680,211,682,193/105,805,402.56
  6. Step 6: Final answer
    x = 80,210,272.88

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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.