Home / 60,721,045.40-91,081,834.89-19,222,125.54

Finding the Fourth Proportional to 60,721,045.40, 91,081,834.89 and 19,222,125.54

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Solution

The fourth proportional to 60,721,045.40, 91,081,834.89 and 19,222,125.54 is: 28,833,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721,045.40 : 91,081,834.89 = 19,222,125.54 : x
  2. Step 2: Convert to fraction form
    60,721,045.40/91,081,834.89 = 19,222,125.54/x
  3. Step 3: Cross multiply
    60,721,045.40x = 91,081,834.89 × 19,222,125.54
  4. Step 4: Simplify right side
    60,721,045.40x = 1,750,786,464,669,132
  5. Step 5: Solve for x
    x = 1,750,786,464,669,132/60,721,045.40
  6. Step 6: Final answer
    x = 28,833,272.77

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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.