Home / 112,245,167.80-168,367,751.70-68,974,060.60

Finding the Fourth Proportional to 112,245,167.80, 168,367,751.70 and 68,974,060.60

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Solution

The fourth proportional to 112,245,167.80, 168,367,751.70 and 68,974,060.60 is: 103,461,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245,167.80 : 168,367,751.70 = 68,974,060.60 : x
  2. Step 2: Convert to fraction form
    112,245,167.80/168,367,751.70 = 68,974,060.60/x
  3. Step 3: Cross multiply
    112,245,167.80x = 168,367,751.70 × 68,974,060.60
  4. Step 4: Simplify right side
    112,245,167.80x = 11,613,007,508,841,552
  5. Step 5: Solve for x
    x = 11,613,007,508,841,552/112,245,167.80
  6. Step 6: Final answer
    x = 103,461,090.90

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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.