Home / 285,823,874.90-428,486,106.75-110,826,342.57

Finding the Fourth Proportional to 285,823,874.90, 428,486,106.75 and 110,826,342.57

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Solution

The fourth proportional to 285,823,874.90, 428,486,106.75 and 110,826,342.57 is: 166,142,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,823,874.90 : 428,486,106.75 = 110,826,342.57 : x
  2. Step 2: Convert to fraction form
    285,823,874.90/428,486,106.75 = 110,826,342.57/x
  3. Step 3: Cross multiply
    285,823,874.90x = 428,486,106.75 × 110,826,342.57
  4. Step 4: Simplify right side
    285,823,874.90x = 47,487,548,053,161,088
  5. Step 5: Solve for x
    x = 47,487,548,053,161,088/285,823,874.90
  6. Step 6: Final answer
    x = 166,142,692.14

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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.