Home / 102,564,010.70-153,846,016.05-30,760,426.70

Finding the Fourth Proportional to 102,564,010.70, 153,846,016.05 and 30,760,426.70

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Solution

The fourth proportional to 102,564,010.70, 153,846,016.05 and 30,760,426.70 is: 46,140,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,564,010.70 : 153,846,016.05 = 30,760,426.70 : x
  2. Step 2: Convert to fraction form
    102,564,010.70/153,846,016.05 = 30,760,426.70/x
  3. Step 3: Cross multiply
    102,564,010.70x = 153,846,016.05 × 30,760,426.70
  4. Step 4: Simplify right side
    102,564,010.70x = 4,732,369,099,793,049
  5. Step 5: Solve for x
    x = 4,732,369,099,793,049/102,564,010.70
  6. Step 6: Final answer
    x = 46,140,640.05

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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.