Home / 102,564,007.20-153,846,010.80-30,760,423.20

Finding the Fourth Proportional to 102,564,007.20, 153,846,010.80 and 30,760,423.20

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Solution

The fourth proportional to 102,564,007.20, 153,846,010.80 and 30,760,423.20 is: 46,140,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,564,007.20 : 153,846,010.80 = 30,760,423.20 : x
  2. Step 2: Convert to fraction form
    102,564,007.20/153,846,010.80 = 30,760,423.20/x
  3. Step 3: Cross multiply
    102,564,007.20x = 153,846,010.80 × 30,760,423.20
  4. Step 4: Simplify right side
    102,564,007.20x = 4,732,368,399,839,771
  5. Step 5: Solve for x
    x = 4,732,368,399,839,771/102,564,007.20
  6. Step 6: Final answer
    x = 46,140,634.80

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Similar ratio
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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.