Home / 168,273,421.40-252,410,132.10-77,574,157.40

Finding the Fourth Proportional to 168,273,421.40, 252,410,132.10 and 77,574,157.40

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Solution

The fourth proportional to 168,273,421.40, 252,410,132.10 and 77,574,157.40 is: 116,361,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,421.40 : 252,410,132.10 = 77,574,157.40 : x
  2. Step 2: Convert to fraction form
    168,273,421.40/252,410,132.10 = 77,574,157.40/x
  3. Step 3: Cross multiply
    168,273,421.40x = 252,410,132.10 × 77,574,157.40
  4. Step 4: Simplify right side
    168,273,421.40x = 19,580,503,316,880,192
  5. Step 5: Solve for x
    x = 19,580,503,316,880,192/168,273,421.40
  6. Step 6: Final answer
    x = 116,361,236.10

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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.