Home / 122,217,612.90-168,657,966.90-67,213,469.40

Finding the Fourth Proportional to 122,217,612.90, 168,657,966.90 and 67,213,469.40

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Solution

The fourth proportional to 122,217,612.90, 168,657,966.90 and 67,213,469.40 is: 92,753,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217,612.90 : 168,657,966.90 = 67,213,469.40 : x
  2. Step 2: Convert to fraction form
    122,217,612.90/168,657,966.90 = 67,213,469.40/x
  3. Step 3: Cross multiply
    122,217,612.90x = 168,657,966.90 × 67,213,469.40
  4. Step 4: Simplify right side
    122,217,612.90x = 11,336,087,097,299,364
  5. Step 5: Solve for x
    x = 11,336,087,097,299,364/122,217,612.90
  6. Step 6: Final answer
    x = 92,753,301.49

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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.