Home / 217,836,000.60-326,754,000.90-81,503,669.40

Finding the Fourth Proportional to 217,836,000.60, 326,754,000.90 and 81,503,669.40

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Solution

The fourth proportional to 217,836,000.60, 326,754,000.90 and 81,503,669.40 is: 122,255,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836,000.60 : 326,754,000.90 = 81,503,669.40 : x
  2. Step 2: Convert to fraction form
    217,836,000.60/326,754,000.90 = 81,503,669.40/x
  3. Step 3: Cross multiply
    217,836,000.60x = 326,754,000.90 × 81,503,669.40
  4. Step 4: Simplify right side
    217,836,000.60x = 26,631,650,064,480,904
  5. Step 5: Solve for x
    x = 26,631,650,064,480,904/217,836,000.60
  6. Step 6: Final answer
    x = 122,255,504.10

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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.