Home / 112,356,166.30-168,534,249.45-86,846,998.30

Finding the Fourth Proportional to 112,356,166.30, 168,534,249.45 and 86,846,998.30

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Solution

The fourth proportional to 112,356,166.30, 168,534,249.45 and 86,846,998.30 is: 130,270,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,166.30 : 168,534,249.45 = 86,846,998.30 : x
  2. Step 2: Convert to fraction form
    112,356,166.30/168,534,249.45 = 86,846,998.30/x
  3. Step 3: Cross multiply
    112,356,166.30x = 168,534,249.45 × 86,846,998.30
  4. Step 4: Simplify right side
    112,356,166.30x = 14,636,693,675,475,924
  5. Step 5: Solve for x
    x = 14,636,693,675,475,924/112,356,166.30
  6. Step 6: Final answer
    x = 130,270,497.45

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Double scale
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Similar ratio
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1.5x scale

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.