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Finding the Fourth Proportional to 111,885,655.05, 167,828,482.58 and 111,885,655.05

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Solution

The fourth proportional to 111,885,655.05, 167,828,482.58 and 111,885,655.05 is: 167,828,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,885,655.05 : 167,828,482.58 = 111,885,655.05 : x
  2. Step 2: Convert to fraction form
    111,885,655.05/167,828,482.58 = 111,885,655.05/x
  3. Step 3: Cross multiply
    111,885,655.05x = 167,828,482.58 × 111,885,655.05
  4. Step 4: Simplify right side
    111,885,655.05x = 18,777,599,708,951,384
  5. Step 5: Solve for x
    x = 18,777,599,708,951,384/111,885,655.05
  6. Step 6: Final answer
    x = 167,828,482.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.