Home / 274,779,605.10-412,233,078.69-90,540,484.86

Finding the Fourth Proportional to 274,779,605.10, 412,233,078.69 and 90,540,484.86

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Solution

The fourth proportional to 274,779,605.10, 412,233,078.69 and 90,540,484.86 is: 135,831,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,779,605.10 : 412,233,078.69 = 90,540,484.86 : x
  2. Step 2: Convert to fraction form
    274,779,605.10/412,233,078.69 = 90,540,484.86/x
  3. Step 3: Cross multiply
    274,779,605.10x = 412,233,078.69 × 90,540,484.86
  4. Step 4: Simplify right side
    274,779,605.10x = 37,323,782,819,923,136
  5. Step 5: Solve for x
    x = 37,323,782,819,923,136/274,779,605.10
  6. Step 6: Final answer
    x = 135,831,707.04

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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.