Home / 57,328,681.50-86,030,017.79-20,934,024.75

Finding the Fourth Proportional to 57,328,681.50, 86,030,017.79 and 20,934,024.75

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Solution

The fourth proportional to 57,328,681.50, 86,030,017.79 and 20,934,024.75 is: 31,414,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328,681.50 : 86,030,017.79 = 20,934,024.75 : x
  2. Step 2: Convert to fraction form
    57,328,681.50/86,030,017.79 = 20,934,024.75/x
  3. Step 3: Cross multiply
    57,328,681.50x = 86,030,017.79 × 20,934,024.75
  4. Step 4: Simplify right side
    57,328,681.50x = 1,800,954,521,554,130
  5. Step 5: Solve for x
    x = 1,800,954,521,554,130/57,328,681.50
  6. Step 6: Final answer
    x = 31,414,546.34

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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.