Home / 61,943,564.21-92,895,454.31-20,435,109.75

Finding the Fourth Proportional to 61,943,564.21, 92,895,454.31 and 20,435,109.75

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Solution

The fourth proportional to 61,943,564.21, 92,895,454.31 and 20,435,109.75 is: 30,646,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943,564.21 : 92,895,454.31 = 20,435,109.75 : x
  2. Step 2: Convert to fraction form
    61,943,564.21/92,895,454.31 = 20,435,109.75/x
  3. Step 3: Cross multiply
    61,943,564.21x = 92,895,454.31 × 20,435,109.75
  4. Step 4: Simplify right side
    61,943,564.21x = 1,898,328,803,998,785
  5. Step 5: Solve for x
    x = 1,898,328,803,998,785/61,943,564.21
  6. Step 6: Final answer
    x = 30,646,102.28

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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.