Home / 168,427,433.80-252,617,531.10-53,423,601.40

Finding the Fourth Proportional to 168,427,433.80, 252,617,531.10 and 53,423,601.40

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Solution

The fourth proportional to 168,427,433.80, 252,617,531.10 and 53,423,601.40 is: 80,127,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,427,433.80 : 252,617,531.10 = 53,423,601.40 : x
  2. Step 2: Convert to fraction form
    168,427,433.80/252,617,531.10 = 53,423,601.40/x
  3. Step 3: Cross multiply
    168,427,433.80x = 252,617,531.10 × 53,423,601.40
  4. Step 4: Simplify right side
    168,427,433.80x = 13,495,738,288,138,502
  5. Step 5: Solve for x
    x = 13,495,738,288,138,502/168,427,433.80
  6. Step 6: Final answer
    x = 80,127,910.18

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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.