Home / 74,818,492.20-112,227,738.30-72,579,004.20

Finding the Fourth Proportional to 74,818,492.20, 112,227,738.30 and 72,579,004.20

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Solution

The fourth proportional to 74,818,492.20, 112,227,738.30 and 72,579,004.20 is: 108,868,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818,492.20 : 112,227,738.30 = 72,579,004.20 : x
  2. Step 2: Convert to fraction form
    74,818,492.20/112,227,738.30 = 72,579,004.20/x
  3. Step 3: Cross multiply
    74,818,492.20x = 112,227,738.30 × 72,579,004.20
  4. Step 4: Simplify right side
    74,818,492.20x = 8,145,377,489,432,201
  5. Step 5: Solve for x
    x = 8,145,377,489,432,201/74,818,492.20
  6. Step 6: Final answer
    x = 108,868,506.30

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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.