Home / 125,884,383.96-173,674,367.82-76,288,979.64

Finding the Fourth Proportional to 125,884,383.96, 173,674,367.82 and 76,288,979.64

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Solution

The fourth proportional to 125,884,383.96, 173,674,367.82 and 76,288,979.64 is: 105,250,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884,383.96 : 173,674,367.82 = 76,288,979.64 : x
  2. Step 2: Convert to fraction form
    125,884,383.96/173,674,367.82 = 76,288,979.64/x
  3. Step 3: Cross multiply
    125,884,383.96x = 173,674,367.82 × 76,288,979.64
  4. Step 4: Simplify right side
    125,884,383.96x = 13,249,440,310,609,850
  5. Step 5: Solve for x
    x = 13,249,440,310,609,850/125,884,383.96
  6. Step 6: Final answer
    x = 105,250,865.07

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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.