Home / 67,146,469.60-100,744,587.60-21,709,746.40

Finding the Fourth Proportional to 67,146,469.60, 100,744,587.60 and 21,709,746.40

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Solution

The fourth proportional to 67,146,469.60, 100,744,587.60 and 21,709,746.40 is: 32,572,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146,469.60 : 100,744,587.60 = 21,709,746.40 : x
  2. Step 2: Convert to fraction form
    67,146,469.60/100,744,587.60 = 21,709,746.40/x
  3. Step 3: Cross multiply
    67,146,469.60x = 100,744,587.60 × 21,709,746.40
  4. Step 4: Simplify right side
    67,146,469.60x = 2,187,139,447,968,584.25
  5. Step 5: Solve for x
    x = 2,187,139,447,968,584.25/67,146,469.60
  6. Step 6: Final answer
    x = 32,572,664.82

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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.