Home / 51,455,572.43-71,005,507.75-28,250,568.59

Finding the Fourth Proportional to 51,455,572.43, 71,005,507.75 and 28,250,568.59

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Solution

The fourth proportional to 51,455,572.43, 71,005,507.75 and 28,250,568.59 is: 38,984,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455,572.43 : 71,005,507.75 = 28,250,568.59 : x
  2. Step 2: Convert to fraction form
    51,455,572.43/71,005,507.75 = 28,250,568.59/x
  3. Step 3: Cross multiply
    51,455,572.43x = 71,005,507.75 × 28,250,568.59
  4. Step 4: Simplify right side
    51,455,572.43x = 2,005,945,966,959,151.50
  5. Step 5: Solve for x
    x = 2,005,945,966,959,151.50/51,455,572.43
  6. Step 6: Final answer
    x = 38,984,037.53

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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.