Home / 137,980,113.85-206,998,735.73-56,099,006.08

Finding the Fourth Proportional to 137,980,113.85, 206,998,735.73 and 56,099,006.08

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Solution

The fourth proportional to 137,980,113.85, 206,998,735.73 and 56,099,006.08 is: 84,160,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,980,113.85 : 206,998,735.73 = 56,099,006.08 : x
  2. Step 2: Convert to fraction form
    137,980,113.85/206,998,735.73 = 56,099,006.08/x
  3. Step 3: Cross multiply
    137,980,113.85x = 206,998,735.73 × 56,099,006.08
  4. Step 4: Simplify right side
    137,980,113.85x = 11,612,423,333,234,590
  5. Step 5: Solve for x
    x = 11,612,423,333,234,590/137,980,113.85
  6. Step 6: Final answer
    x = 84,160,122.86

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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.