Home / 67,258,223.80-100,887,335.70-66,691,353.40

Finding the Fourth Proportional to 67,258,223.80, 100,887,335.70 and 66,691,353.40

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Solution

The fourth proportional to 67,258,223.80, 100,887,335.70 and 66,691,353.40 is: 100,037,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,258,223.80 : 100,887,335.70 = 66,691,353.40 : x
  2. Step 2: Convert to fraction form
    67,258,223.80/100,887,335.70 = 66,691,353.40/x
  3. Step 3: Cross multiply
    67,258,223.80x = 100,887,335.70 × 66,691,353.40
  4. Step 4: Simplify right side
    67,258,223.80x = 6,728,312,958,753,136
  5. Step 5: Solve for x
    x = 6,728,312,958,753,136/67,258,223.80
  6. Step 6: Final answer
    x = 100,037,030.10

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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.