Home / 91,028,016.79-125,594,443.07-51,868,958.83

Finding the Fourth Proportional to 91,028,016.79, 125,594,443.07 and 51,868,958.83

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Solution

The fourth proportional to 91,028,016.79, 125,594,443.07 and 51,868,958.83 is: 71,565,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,028,016.79 : 125,594,443.07 = 51,868,958.83 : x
  2. Step 2: Convert to fraction form
    91,028,016.79/125,594,443.07 = 51,868,958.83/x
  3. Step 3: Cross multiply
    91,028,016.79x = 125,594,443.07 × 51,868,958.83
  4. Step 4: Simplify right side
    91,028,016.79x = 6,514,452,996,495,786
  5. Step 5: Solve for x
    x = 6,514,452,996,495,786/91,028,016.79
  6. Step 6: Final answer
    x = 71,565,362.25

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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.