Home / 156,569,324.57-216,039,723.30-90,495,986.75

Finding the Fourth Proportional to 156,569,324.57, 216,039,723.30 and 90,495,986.75

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Solution

The fourth proportional to 156,569,324.57, 216,039,723.30 and 90,495,986.75 is: 124,869,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,569,324.57 : 216,039,723.30 = 90,495,986.75 : x
  2. Step 2: Convert to fraction form
    156,569,324.57/216,039,723.30 = 90,495,986.75/x
  3. Step 3: Cross multiply
    156,569,324.57x = 216,039,723.30 × 90,495,986.75
  4. Step 4: Simplify right side
    156,569,324.57x = 19,550,727,936,150,268
  5. Step 5: Solve for x
    x = 19,550,727,936,150,268/156,569,324.57
  6. Step 6: Final answer
    x = 124,869,465.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.