Home / 56,140,609.56-84,210,849.54-21,132,258.36

Finding the Fourth Proportional to 56,140,609.56, 84,210,849.54 and 21,132,258.36

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Solution

The fourth proportional to 56,140,609.56, 84,210,849.54 and 21,132,258.36 is: 31,698,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140,609.56 : 84,210,849.54 = 21,132,258.36 : x
  2. Step 2: Convert to fraction form
    56,140,609.56/84,210,849.54 = 21,132,258.36/x
  3. Step 3: Cross multiply
    56,140,609.56x = 84,210,849.54 × 21,132,258.36
  4. Step 4: Simplify right side
    56,140,609.56x = 1,779,565,429,194,367.25
  5. Step 5: Solve for x
    x = 1,779,565,429,194,367.25/56,140,609.56
  6. Step 6: Final answer
    x = 31,698,363.15

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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.