Home / 188,984,916.10-283,477,374.15-127,762,912.90

Finding the Fourth Proportional to 188,984,916.10, 283,477,374.15 and 127,762,912.90

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Solution

The fourth proportional to 188,984,916.10, 283,477,374.15 and 127,762,912.90 is: 191,644,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,984,916.10 : 283,477,374.15 = 127,762,912.90 : x
  2. Step 2: Convert to fraction form
    188,984,916.10/283,477,374.15 = 127,762,912.90/x
  3. Step 3: Cross multiply
    188,984,916.10x = 283,477,374.15 × 127,762,912.90
  4. Step 4: Simplify right side
    188,984,916.10x = 36,217,895,062,647,160
  5. Step 5: Solve for x
    x = 36,217,895,062,647,160/188,984,916.10
  6. Step 6: Final answer
    x = 191,644,369.35

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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.