Home / 164,011,765.65-226,336,643.54-89,677,122.81

Finding the Fourth Proportional to 164,011,765.65, 226,336,643.54 and 89,677,122.81

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Solution

The fourth proportional to 164,011,765.65, 226,336,643.54 and 89,677,122.81 is: 123,754,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011,765.65 : 226,336,643.54 = 89,677,122.81 : x
  2. Step 2: Convert to fraction form
    164,011,765.65/226,336,643.54 = 89,677,122.81/x
  3. Step 3: Cross multiply
    164,011,765.65x = 226,336,643.54 × 89,677,122.81
  4. Step 4: Simplify right side
    164,011,765.65x = 20,297,218,978,691,388
  5. Step 5: Solve for x
    x = 20,297,218,978,691,388/164,011,765.65
  6. Step 6: Final answer
    x = 123,754,651.98

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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.