Home / 51,585,445.12-71,187,911.85-28,380,073.86

Finding the Fourth Proportional to 51,585,445.12, 71,187,911.85 and 28,380,073.86

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Solution

The fourth proportional to 51,585,445.12, 71,187,911.85 and 28,380,073.86 is: 39,164,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,445.12 : 71,187,911.85 = 28,380,073.86 : x
  2. Step 2: Convert to fraction form
    51,585,445.12/71,187,911.85 = 28,380,073.86/x
  3. Step 3: Cross multiply
    51,585,445.12x = 71,187,911.85 × 28,380,073.86
  4. Step 4: Simplify right side
    51,585,445.12x = 2,020,318,196,242,169
  5. Step 5: Solve for x
    x = 2,020,318,196,242,169/51,585,445.12
  6. Step 6: Final answer
    x = 39,164,500.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.