Home / 45,838,512.87-68,786,050.70-21,241,854.86

Finding the Fourth Proportional to 45,838,512.87, 68,786,050.70 and 21,241,854.86

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Solution

The fourth proportional to 45,838,512.87, 68,786,050.70 and 21,241,854.86 is: 31,875,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838,512.87 : 68,786,050.70 = 21,241,854.86 : x
  2. Step 2: Convert to fraction form
    45,838,512.87/68,786,050.70 = 21,241,854.86/x
  3. Step 3: Cross multiply
    45,838,512.87x = 68,786,050.70 × 21,241,854.86
  4. Step 4: Simplify right side
    45,838,512.87x = 1,461,143,305,427,757.25
  5. Step 5: Solve for x
    x = 1,461,143,305,427,757.25/45,838,512.87
  6. Step 6: Final answer
    x = 31,875,888.07

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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.