Home / 111,708,899.51-154,094,087.62-69,820,267.79

Finding the Fourth Proportional to 111,708,899.51, 154,094,087.62 and 69,820,267.79

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Solution

The fourth proportional to 111,708,899.51, 154,094,087.62 and 69,820,267.79 is: 96,311,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,708,899.51 : 154,094,087.62 = 69,820,267.79 : x
  2. Step 2: Convert to fraction form
    111,708,899.51/154,094,087.62 = 69,820,267.79/x
  3. Step 3: Cross multiply
    111,708,899.51x = 154,094,087.62 × 69,820,267.79
  4. Step 4: Simplify right side
    111,708,899.51x = 10,758,890,462,694,810
  5. Step 5: Solve for x
    x = 10,758,890,462,694,810/111,708,899.51
  6. Step 6: Final answer
    x = 96,311,847.22

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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.