Home / 168,171,303.40-252,256,955.10-155,257,287.10

Finding the Fourth Proportional to 168,171,303.40, 252,256,955.10 and 155,257,287.10

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Solution

The fourth proportional to 168,171,303.40, 252,256,955.10 and 155,257,287.10 is: 232,885,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171,303.40 : 252,256,955.10 = 155,257,287.10 : x
  2. Step 2: Convert to fraction form
    168,171,303.40/252,256,955.10 = 155,257,287.10/x
  3. Step 3: Cross multiply
    168,171,303.40x = 252,256,955.10 × 155,257,287.10
  4. Step 4: Simplify right side
    168,171,303.40x = 39,164,730,500,932,504
  5. Step 5: Solve for x
    x = 39,164,730,500,932,504/168,171,303.40
  6. Step 6: Final answer
    x = 232,885,930.65

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1.5x scale

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.