Home / 39,243,959.93-54,156,136.07-21,840,300.54

Finding the Fourth Proportional to 39,243,959.93, 54,156,136.07 and 21,840,300.54

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Solution

The fourth proportional to 39,243,959.93, 54,156,136.07 and 21,840,300.54 is: 30,139,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243,959.93 : 54,156,136.07 = 21,840,300.54 : x
  2. Step 2: Convert to fraction form
    39,243,959.93/54,156,136.07 = 21,840,300.54/x
  3. Step 3: Cross multiply
    39,243,959.93x = 54,156,136.07 × 21,840,300.54
  4. Step 4: Simplify right side
    39,243,959.93x = 1,182,786,287,908,535.25
  5. Step 5: Solve for x
    x = 1,182,786,287,908,535.25/39,243,959.93
  6. Step 6: Final answer
    x = 30,139,320.55

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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.