Home / 74,909,717.80-112,364,576.70-38,467,299.40

Finding the Fourth Proportional to 74,909,717.80, 112,364,576.70 and 38,467,299.40

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Solution

The fourth proportional to 74,909,717.80, 112,364,576.70 and 38,467,299.40 is: 57,700,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909,717.80 : 112,364,576.70 = 38,467,299.40 : x
  2. Step 2: Convert to fraction form
    74,909,717.80/112,364,576.70 = 38,467,299.40/x
  3. Step 3: Cross multiply
    74,909,717.80x = 112,364,576.70 × 38,467,299.40
  4. Step 4: Simplify right side
    74,909,717.80x = 4,322,361,813,873,164
  5. Step 5: Solve for x
    x = 4,322,361,813,873,164/74,909,717.80
  6. Step 6: Final answer
    x = 57,700,949.10

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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.