Home / 111,722,397.72-154,174,488.12-64,681,453.32

Finding the Fourth Proportional to 111,722,397.72, 154,174,488.12 and 64,681,453.32

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Solution

The fourth proportional to 111,722,397.72, 154,174,488.12 and 64,681,453.32 is: 89,259,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722,397.72 : 154,174,488.12 = 64,681,453.32 : x
  2. Step 2: Convert to fraction form
    111,722,397.72/154,174,488.12 = 64,681,453.32/x
  3. Step 3: Cross multiply
    111,722,397.72x = 154,174,488.12 × 64,681,453.32
  4. Step 4: Simplify right side
    111,722,397.72x = 9,972,229,956,468,674
  5. Step 5: Solve for x
    x = 9,972,229,956,468,674/111,722,397.72
  6. Step 6: Final answer
    x = 89,259,004.10

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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.