Home / 153,846,087.91-212,299,191.24-84,217,999.75

Finding the Fourth Proportional to 153,846,087.91, 212,299,191.24 and 84,217,999.75

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Solution

The fourth proportional to 153,846,087.91, 212,299,191.24 and 84,217,999.75 is: 116,216,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,846,087.91 : 212,299,191.24 = 84,217,999.75 : x
  2. Step 2: Convert to fraction form
    153,846,087.91/212,299,191.24 = 84,217,999.75/x
  3. Step 3: Cross multiply
    153,846,087.91x = 212,299,191.24 × 84,217,999.75
  4. Step 4: Simplify right side
    153,846,087.91x = 17,879,413,233,714,028
  5. Step 5: Solve for x
    x = 17,879,413,233,714,028/153,846,087.91
  6. Step 6: Final answer
    x = 116,216,235.83

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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.