Home / 168,273,617.40-252,410,426.10-77,574,353.40

Finding the Fourth Proportional to 168,273,617.40, 252,410,426.10 and 77,574,353.40

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Solution

The fourth proportional to 168,273,617.40, 252,410,426.10 and 77,574,353.40 is: 116,361,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,617.40 : 252,410,426.10 = 77,574,353.40 : x
  2. Step 2: Convert to fraction form
    168,273,617.40/252,410,426.10 = 77,574,353.40/x
  3. Step 3: Cross multiply
    168,273,617.40x = 252,410,426.10 × 77,574,353.40
  4. Step 4: Simplify right side
    168,273,617.40x = 19,580,575,596,125,984
  5. Step 5: Solve for x
    x = 19,580,575,596,125,984/168,273,617.40
  6. Step 6: Final answer
    x = 116,361,530.10

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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.