Home / 168,427,489.80-252,617,615.10-53,423,657.40

Finding the Fourth Proportional to 168,427,489.80, 252,617,615.10 and 53,423,657.40

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Solution

The fourth proportional to 168,427,489.80, 252,617,615.10 and 53,423,657.40 is: 80,127,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,427,489.80 : 252,617,615.10 = 53,423,657.40 : x
  2. Step 2: Convert to fraction form
    168,427,489.80/252,617,615.10 = 53,423,657.40/x
  3. Step 3: Cross multiply
    168,427,489.80x = 252,617,615.10 × 53,423,657.40
  4. Step 4: Simplify right side
    168,427,489.80x = 13,495,756,922,307,466
  5. Step 5: Solve for x
    x = 13,495,756,922,307,466/168,427,489.80
  6. Step 6: Final answer
    x = 80,127,994.18

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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.