Home / 75,330,698.88-112,997,098.08-21,478,010.88

Finding the Fourth Proportional to 75,330,698.88, 112,997,098.08 and 21,478,010.88

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Solution

The fourth proportional to 75,330,698.88, 112,997,098.08 and 21,478,010.88 is: 32,217,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,330,698.88 : 112,997,098.08 = 21,478,010.88 : x
  2. Step 2: Convert to fraction form
    75,330,698.88/112,997,098.08 = 21,478,010.88/x
  3. Step 3: Cross multiply
    75,330,698.88x = 112,997,098.08 × 21,478,010.88
  4. Step 4: Simplify right side
    75,330,698.88x = 2,426,952,901,970,667
  5. Step 5: Solve for x
    x = 2,426,952,901,970,667/75,330,698.88
  6. Step 6: Final answer
    x = 32,217,315.62

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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.