Home / 92,555,409.20-138,833,113.80-68,667,537.20

Finding the Fourth Proportional to 92,555,409.20, 138,833,113.80 and 68,667,537.20

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Solution

The fourth proportional to 92,555,409.20, 138,833,113.80 and 68,667,537.20 is: 103,001,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,555,409.20 : 138,833,113.80 = 68,667,537.20 : x
  2. Step 2: Convert to fraction form
    92,555,409.20/138,833,113.80 = 68,667,537.20/x
  3. Step 3: Cross multiply
    92,555,409.20x = 138,833,113.80 × 68,667,537.20
  4. Step 4: Simplify right side
    92,555,409.20x = 9,533,328,006,453,334
  5. Step 5: Solve for x
    x = 9,533,328,006,453,334/92,555,409.20
  6. Step 6: Final answer
    x = 103,001,305.80

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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.