Home / 84,248,065-126,372,097.50-20,422,657

Finding the Fourth Proportional to 84,248,065, 126,372,097.50 and 20,422,657

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Solution

The fourth proportional to 84,248,065, 126,372,097.50 and 20,422,657 is: 30,633,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,065 : 126,372,097.50 = 20,422,657 : x
  2. Step 2: Convert to fraction form
    84,248,065/126,372,097.50 = 20,422,657/x
  3. Step 3: Cross multiply
    84,248,065x = 126,372,097.50 × 20,422,657
  4. Step 4: Simplify right side
    84,248,065x = 2,580,854,001,613,057.50
  5. Step 5: Solve for x
    x = 2,580,854,001,613,057.50/84,248,065
  6. Step 6: Final answer
    x = 30,633,985.50

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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.