Home / 90,940,778.27-136,409,197.80-25,360,166.07

Finding the Fourth Proportional to 90,940,778.27, 136,409,197.80 and 25,360,166.07

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Solution

The fourth proportional to 90,940,778.27, 136,409,197.80 and 25,360,166.07 is: 38,039,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940,778.27 : 136,409,197.80 = 25,360,166.07 : x
  2. Step 2: Convert to fraction form
    90,940,778.27/136,409,197.80 = 25,360,166.07/x
  3. Step 3: Cross multiply
    90,940,778.27x = 136,409,197.80 × 25,360,166.07
  4. Step 4: Simplify right side
    90,940,778.27x = 3,459,359,909,683,479
  5. Step 5: Solve for x
    x = 3,459,359,909,683,479/90,940,778.27
  6. Step 6: Final answer
    x = 38,039,699.85

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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.