Home / 108,405,638.65-149,599,972.56-58,846,046.67

Finding the Fourth Proportional to 108,405,638.65, 149,599,972.56 and 58,846,046.67

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Solution

The fourth proportional to 108,405,638.65, 149,599,972.56 and 58,846,046.67 is: 81,207,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,405,638.65 : 149,599,972.56 = 58,846,046.67 : x
  2. Step 2: Convert to fraction form
    108,405,638.65/149,599,972.56 = 58,846,046.67/x
  3. Step 3: Cross multiply
    108,405,638.65x = 149,599,972.56 × 58,846,046.67
  4. Step 4: Simplify right side
    108,405,638.65x = 8,803,366,966,985,850
  5. Step 5: Solve for x
    x = 8,803,366,966,985,850/108,405,638.65
  6. Step 6: Final answer
    x = 81,207,648.20

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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.