Home / 108,874,898.84-150,146,437.56-79,459,638.68

Finding the Fourth Proportional to 108,874,898.84, 150,146,437.56 and 79,459,638.68

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Solution

The fourth proportional to 108,874,898.84, 150,146,437.56 and 79,459,638.68 is: 109,580,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,898.84 : 150,146,437.56 = 79,459,638.68 : x
  2. Step 2: Convert to fraction form
    108,874,898.84/150,146,437.56 = 79,459,638.68/x
  3. Step 3: Cross multiply
    108,874,898.84x = 150,146,437.56 × 79,459,638.68
  4. Step 4: Simplify right side
    108,874,898.84x = 11,930,581,676,856,048
  5. Step 5: Solve for x
    x = 11,930,581,676,856,048/108,874,898.84
  6. Step 6: Final answer
    x = 109,580,645.35

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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.