Home / 111,722,409.72-154,174,504.68-64,681,465.32

Finding the Fourth Proportional to 111,722,409.72, 154,174,504.68 and 64,681,465.32

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Solution

The fourth proportional to 111,722,409.72, 154,174,504.68 and 64,681,465.32 is: 89,259,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722,409.72 : 154,174,504.68 = 64,681,465.32 : x
  2. Step 2: Convert to fraction form
    111,722,409.72/154,174,504.68 = 64,681,465.32/x
  3. Step 3: Cross multiply
    111,722,409.72x = 154,174,504.68 × 64,681,465.32
  4. Step 4: Simplify right side
    111,722,409.72x = 9,972,232,877,687,598
  5. Step 5: Solve for x
    x = 9,972,232,877,687,598/111,722,409.72
  6. Step 6: Final answer
    x = 89,259,020.66

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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.