Home / 108,874,900.35-150,146,439.63-79,459,640.19

Finding the Fourth Proportional to 108,874,900.35, 150,146,439.63 and 79,459,640.19

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Solution

The fourth proportional to 108,874,900.35, 150,146,439.63 and 79,459,640.19 is: 109,580,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,900.35 : 150,146,439.63 = 79,459,640.19 : x
  2. Step 2: Convert to fraction form
    108,874,900.35/150,146,439.63 = 79,459,640.19/x
  3. Step 3: Cross multiply
    108,874,900.35x = 150,146,439.63 × 79,459,640.19
  4. Step 4: Simplify right side
    108,874,900.35x = 11,930,582,068,809,356
  5. Step 5: Solve for x
    x = 11,930,582,068,809,356/108,874,900.35
  6. Step 6: Final answer
    x = 109,580,647.43

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1.5x scale

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.