Home / 153,824,984.94-212,278,489.58-84,210,365.83

Finding the Fourth Proportional to 153,824,984.94, 212,278,489.58 and 84,210,365.83

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Solution

The fourth proportional to 153,824,984.94, 212,278,489.58 and 84,210,365.83 is: 116,210,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824,984.94 : 212,278,489.58 = 84,210,365.83 : x
  2. Step 2: Convert to fraction form
    153,824,984.94/212,278,489.58 = 84,210,365.83/x
  3. Step 3: Cross multiply
    153,824,984.94x = 212,278,489.58 × 84,210,365.83
  4. Step 4: Simplify right side
    153,824,984.94x = 17,876,049,263,889,198
  5. Step 5: Solve for x
    x = 17,876,049,263,889,198/153,824,984.94
  6. Step 6: Final answer
    x = 116,210,310.51

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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.