Home / 111,521,929.45-153,904,416.08-66,875,170.46

Finding the Fourth Proportional to 111,521,929.45, 153,904,416.08 and 66,875,170.46

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Solution

The fourth proportional to 111,521,929.45, 153,904,416.08 and 66,875,170.46 is: 92,290,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,521,929.45 : 153,904,416.08 = 66,875,170.46 : x
  2. Step 2: Convert to fraction form
    111,521,929.45/153,904,416.08 = 66,875,170.46/x
  3. Step 3: Cross multiply
    111,521,929.45x = 153,904,416.08 × 66,875,170.46
  4. Step 4: Simplify right side
    111,521,929.45x = 10,292,384,059,896,766
  5. Step 5: Solve for x
    x = 10,292,384,059,896,766/111,521,929.45
  6. Step 6: Final answer
    x = 92,290,225.88

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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.