Home / 65,741,133.88-90,725,435.25-36,371,988.12

Finding the Fourth Proportional to 65,741,133.88, 90,725,435.25 and 36,371,988.12

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Solution

The fourth proportional to 65,741,133.88, 90,725,435.25 and 36,371,988.12 is: 50,194,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741,133.88 : 90,725,435.25 = 36,371,988.12 : x
  2. Step 2: Convert to fraction form
    65,741,133.88/90,725,435.25 = 36,371,988.12/x
  3. Step 3: Cross multiply
    65,741,133.88x = 90,725,435.25 × 36,371,988.12
  4. Step 4: Simplify right side
    65,741,133.88x = 3,299,864,453,094,829
  5. Step 5: Solve for x
    x = 3,299,864,453,094,829/65,741,133.88
  6. Step 6: Final answer
    x = 50,194,821.09

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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.