Home / 90,814,554.30-136,221,831.45-90,247,683.90

Finding the Fourth Proportional to 90,814,554.30, 136,221,831.45 and 90,247,683.90

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Solution

The fourth proportional to 90,814,554.30, 136,221,831.45 and 90,247,683.90 is: 135,371,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814,554.30 : 136,221,831.45 = 90,247,683.90 : x
  2. Step 2: Convert to fraction form
    90,814,554.30/136,221,831.45 = 90,247,683.90/x
  3. Step 3: Cross multiply
    90,814,554.30x = 136,221,831.45 × 90,247,683.90
  4. Step 4: Simplify right side
    90,814,554.30x = 12,293,704,784,978,678
  5. Step 5: Solve for x
    x = 12,293,704,784,978,678/90,814,554.30
  6. Step 6: Final answer
    x = 135,371,525.85

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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.