Home / 164,382,981.12-226,850,181.12-99,180,288

Finding the Fourth Proportional to 164,382,981.12, 226,850,181.12 and 99,180,288

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Solution

The fourth proportional to 164,382,981.12, 226,850,181.12 and 99,180,288 is: 136,869,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,382,981.12 : 226,850,181.12 = 99,180,288 : x
  2. Step 2: Convert to fraction form
    164,382,981.12/226,850,181.12 = 99,180,288/x
  3. Step 3: Cross multiply
    164,382,981.12x = 226,850,181.12 × 99,180,288
  4. Step 4: Simplify right side
    164,382,981.12x = 22,499,066,296,333,764
  5. Step 5: Solve for x
    x = 22,499,066,296,333,764/164,382,981.12
  6. Step 6: Final answer
    x = 136,869,803.33

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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.