Home / 202,322,320.49-279,211,572.56-123,990,746.83

Finding the Fourth Proportional to 202,322,320.49, 279,211,572.56 and 123,990,746.83

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Solution

The fourth proportional to 202,322,320.49, 279,211,572.56 and 123,990,746.83 is: 171,111,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,322,320.49 : 279,211,572.56 = 123,990,746.83 : x
  2. Step 2: Convert to fraction form
    202,322,320.49/279,211,572.56 = 123,990,746.83/x
  3. Step 3: Cross multiply
    202,322,320.49x = 279,211,572.56 × 123,990,746.83
  4. Step 4: Simplify right side
    202,322,320.49x = 34,619,651,403,975,152
  5. Step 5: Solve for x
    x = 34,619,651,403,975,152/202,322,320.49
  6. Step 6: Final answer
    x = 171,111,379.70

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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.