Home / 149,420,457.62-224,198,787.63-76,688,314.22

Finding the Fourth Proportional to 149,420,457.62, 224,198,787.63 and 76,688,314.22

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Solution

The fourth proportional to 149,420,457.62, 224,198,787.63 and 76,688,314.22 is: 115,067,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,420,457.62 : 224,198,787.63 = 76,688,314.22 : x
  2. Step 2: Convert to fraction form
    149,420,457.62/224,198,787.63 = 76,688,314.22/x
  3. Step 3: Cross multiply
    149,420,457.62x = 224,198,787.63 × 76,688,314.22
  4. Step 4: Simplify right side
    149,420,457.62x = 17,193,427,073,512,488
  5. Step 5: Solve for x
    x = 17,193,427,073,512,488/149,420,457.62
  6. Step 6: Final answer
    x = 115,067,423.48

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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.