Home / 61,116,525.65-91,683,902.90-20,180,288.81

Finding the Fourth Proportional to 61,116,525.65, 91,683,902.90 and 20,180,288.81

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Solution

The fourth proportional to 61,116,525.65, 91,683,902.90 and 20,180,288.81 is: 30,273,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,116,525.65 : 91,683,902.90 = 20,180,288.81 : x
  2. Step 2: Convert to fraction form
    61,116,525.65/91,683,902.90 = 20,180,288.81/x
  3. Step 3: Cross multiply
    61,116,525.65x = 91,683,902.90 × 20,180,288.81
  4. Step 4: Simplify right side
    61,116,525.65x = 1,850,207,640,029,657
  5. Step 5: Solve for x
    x = 1,850,207,640,029,657/61,116,525.65
  6. Step 6: Final answer
    x = 30,273,442.74

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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.