Home / 112,485,419.28-155,223,633.96-62,916,218.64

Finding the Fourth Proportional to 112,485,419.28, 155,223,633.96 and 62,916,218.64

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Solution

The fourth proportional to 112,485,419.28, 155,223,633.96 and 62,916,218.64 is: 86,820,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,485,419.28 : 155,223,633.96 = 62,916,218.64 : x
  2. Step 2: Convert to fraction form
    112,485,419.28/155,223,633.96 = 62,916,218.64/x
  3. Step 3: Cross multiply
    112,485,419.28x = 155,223,633.96 × 62,916,218.64
  4. Step 4: Simplify right side
    112,485,419.28x = 9,766,084,092,322,690
  5. Step 5: Solve for x
    x = 9,766,084,092,322,690/112,485,419.28
  6. Step 6: Final answer
    x = 86,820,888.92

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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.