Home / 54,669,705.90-82,017,000.45-31,938,902.70

Finding the Fourth Proportional to 54,669,705.90, 82,017,000.45 and 31,938,902.70

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Solution

The fourth proportional to 54,669,705.90, 82,017,000.45 and 31,938,902.70 is: 47,915,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669,705.90 : 82,017,000.45 = 31,938,902.70 : x
  2. Step 2: Convert to fraction form
    54,669,705.90/82,017,000.45 = 31,938,902.70/x
  3. Step 3: Cross multiply
    54,669,705.90x = 82,017,000.45 × 31,938,902.70
  4. Step 4: Simplify right side
    54,669,705.90x = 2,619,532,997,118,406
  5. Step 5: Solve for x
    x = 2,619,532,997,118,406/54,669,705.90
  6. Step 6: Final answer
    x = 47,915,622.63

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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.