Home / 112,331,902.60-168,485,412.30-31,561,035.40

Finding the Fourth Proportional to 112,331,902.60, 168,485,412.30 and 31,561,035.40

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Solution

The fourth proportional to 112,331,902.60, 168,485,412.30 and 31,561,035.40 is: 47,338,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,902.60 : 168,485,412.30 = 31,561,035.40 : x
  2. Step 2: Convert to fraction form
    112,331,902.60/168,485,412.30 = 31,561,035.40/x
  3. Step 3: Cross multiply
    112,331,902.60x = 168,485,412.30 × 31,561,035.40
  4. Step 4: Simplify right side
    112,331,902.60x = 5,317,574,061,983,896
  5. Step 5: Solve for x
    x = 5,317,574,061,983,896/112,331,902.60
  6. Step 6: Final answer
    x = 47,338,057.48

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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.