Home / 156,954,340.67-216,582,911.92-90,879,298.53

Finding the Fourth Proportional to 156,954,340.67, 216,582,911.92 and 90,879,298.53

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Solution

The fourth proportional to 156,954,340.67, 216,582,911.92 and 90,879,298.53 is: 125,405,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954,340.67 : 216,582,911.92 = 90,879,298.53 : x
  2. Step 2: Convert to fraction form
    156,954,340.67/216,582,911.92 = 90,879,298.53/x
  3. Step 3: Cross multiply
    156,954,340.67x = 216,582,911.92 × 90,879,298.53
  4. Step 4: Simplify right side
    156,954,340.67x = 19,682,903,108,874,376
  5. Step 5: Solve for x
    x = 19,682,903,108,874,376/156,954,340.67
  6. Step 6: Final answer
    x = 125,405,280.45

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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.