Home / 108,038,989.92-149,093,787.60-58,479,353.76

Finding the Fourth Proportional to 108,038,989.92, 149,093,787.60 and 58,479,353.76

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Solution

The fourth proportional to 108,038,989.92, 149,093,787.60 and 58,479,353.76 is: 80,701,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038,989.92 : 149,093,787.60 = 58,479,353.76 : x
  2. Step 2: Convert to fraction form
    108,038,989.92/149,093,787.60 = 58,479,353.76/x
  3. Step 3: Cross multiply
    108,038,989.92x = 149,093,787.60 × 58,479,353.76
  4. Step 4: Simplify right side
    108,038,989.92x = 8,718,908,348,478,701
  5. Step 5: Solve for x
    x = 8,718,908,348,478,701/108,038,989.92
  6. Step 6: Final answer
    x = 80,701,498.18

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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.