Home / 156,965,400.73-216,632,879.52-90,010,560.79

Finding the Fourth Proportional to 156,965,400.73, 216,632,879.52 and 90,010,560.79

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Solution

The fourth proportional to 156,965,400.73, 216,632,879.52 and 90,010,560.79 is: 124,226,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965,400.73 : 216,632,879.52 = 90,010,560.79 : x
  2. Step 2: Convert to fraction form
    156,965,400.73/216,632,879.52 = 90,010,560.79/x
  3. Step 3: Cross multiply
    156,965,400.73x = 216,632,879.52 × 90,010,560.79
  4. Step 4: Simplify right side
    156,965,400.73x = 19,499,246,971,147,708
  5. Step 5: Solve for x
    x = 19,499,246,971,147,708/156,965,400.73
  6. Step 6: Final answer
    x = 124,226,402.00

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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.