Home / 112,153,348.80-168,403,233.60-61,135,012.80

Finding the Fourth Proportional to 112,153,348.80, 168,403,233.60 and 61,135,012.80

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Solution

The fourth proportional to 112,153,348.80, 168,403,233.60 and 61,135,012.80 is: 91,796,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,153,348.80 : 168,403,233.60 = 61,135,012.80 : x
  2. Step 2: Convert to fraction form
    112,153,348.80/168,403,233.60 = 61,135,012.80/x
  3. Step 3: Cross multiply
    112,153,348.80x = 168,403,233.60 × 61,135,012.80
  4. Step 4: Simplify right side
    112,153,348.80x = 10,295,333,841,697,390
  5. Step 5: Solve for x
    x = 10,295,333,841,697,390/112,153,348.80
  6. Step 6: Final answer
    x = 91,796,936.53

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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.