Home / 90,856,659.21-136,301,916.23-29,440,341.06

Finding the Fourth Proportional to 90,856,659.21, 136,301,916.23 and 29,440,341.06

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Solution

The fourth proportional to 90,856,659.21, 136,301,916.23 and 29,440,341.06 is: 44,165,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856,659.21 : 136,301,916.23 = 29,440,341.06 : x
  2. Step 2: Convert to fraction form
    90,856,659.21/136,301,916.23 = 29,440,341.06/x
  3. Step 3: Cross multiply
    90,856,659.21x = 136,301,916.23 × 29,440,341.06
  4. Step 4: Simplify right side
    90,856,659.21x = 4,012,774,900,942,749
  5. Step 5: Solve for x
    x = 4,012,774,900,942,749/90,856,659.21
  6. Step 6: Final answer
    x = 44,165,996.59

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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.