Home / 163,958,880-226,263,062.66-89,619,928.77

Finding the Fourth Proportional to 163,958,880, 226,263,062.66 and 89,619,928.77

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Solution

The fourth proportional to 163,958,880, 226,263,062.66 and 89,619,928.77 is: 123,675,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,958,880 : 226,263,062.66 = 89,619,928.77 : x
  2. Step 2: Convert to fraction form
    163,958,880/226,263,062.66 = 89,619,928.77/x
  3. Step 3: Cross multiply
    163,958,880x = 226,263,062.66 × 89,619,928.77
  4. Step 4: Simplify right side
    163,958,880x = 20,277,679,558,423,148
  5. Step 5: Solve for x
    x = 20,277,679,558,423,148/163,958,880
  6. Step 6: Final answer
    x = 123,675,396.89

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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.