Home / 152,502,147.20-210,455,093.76-82,887,507.20

Finding the Fourth Proportional to 152,502,147.20, 210,455,093.76 and 82,887,507.20

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Solution

The fourth proportional to 152,502,147.20, 210,455,093.76 and 82,887,507.20 is: 114,385,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,502,147.20 : 210,455,093.76 = 82,887,507.20 : x
  2. Step 2: Convert to fraction form
    152,502,147.20/210,455,093.76 = 82,887,507.20/x
  3. Step 3: Cross multiply
    152,502,147.20x = 210,455,093.76 × 82,887,507.20
  4. Step 4: Simplify right side
    152,502,147.20x = 17,444,098,099,308,674
  5. Step 5: Solve for x
    x = 17,444,098,099,308,674/152,502,147.20
  6. Step 6: Final answer
    x = 114,385,917.97

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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.