Home / 156,288,620.06-234,454,488.06-90,740,627.42

Finding the Fourth Proportional to 156,288,620.06, 234,454,488.06 and 90,740,627.42

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Solution

The fourth proportional to 156,288,620.06, 234,454,488.06 and 90,740,627.42 is: 136,123,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,620.06 : 234,454,488.06 = 90,740,627.42 : x
  2. Step 2: Convert to fraction form
    156,288,620.06/234,454,488.06 = 90,740,627.42/x
  3. Step 3: Cross multiply
    156,288,620.06x = 234,454,488.06 × 90,740,627.42
  4. Step 4: Simplify right side
    156,288,620.06x = 21,274,547,347,999,300
  5. Step 5: Solve for x
    x = 21,274,547,347,999,300/156,288,620.06
  6. Step 6: Final answer
    x = 136,123,457.61

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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.