Home / 144,006,022.38-198,729,512.76-84,502,899.12

Finding the Fourth Proportional to 144,006,022.38, 198,729,512.76 and 84,502,899.12

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Solution

The fourth proportional to 144,006,022.38, 198,729,512.76 and 84,502,899.12 is: 116,614,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,006,022.38 : 198,729,512.76 = 84,502,899.12 : x
  2. Step 2: Convert to fraction form
    144,006,022.38/198,729,512.76 = 84,502,899.12/x
  3. Step 3: Cross multiply
    144,006,022.38x = 198,729,512.76 × 84,502,899.12
  4. Step 4: Simplify right side
    144,006,022.38x = 16,793,219,968,925,032
  5. Step 5: Solve for x
    x = 16,793,219,968,925,032/144,006,022.38
  6. Step 6: Final answer
    x = 116,614,706.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.