Home / 112,356,464.80-168,660,668.40-86,910,282.40

Finding the Fourth Proportional to 112,356,464.80, 168,660,668.40 and 86,910,282.40

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Solution

The fourth proportional to 112,356,464.80, 168,660,668.40 and 86,910,282.40 is: 130,462,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,464.80 : 168,660,668.40 = 86,910,282.40 : x
  2. Step 2: Convert to fraction form
    112,356,464.80/168,660,668.40 = 86,910,282.40/x
  3. Step 3: Cross multiply
    112,356,464.80x = 168,660,668.40 × 86,910,282.40
  4. Step 4: Simplify right side
    112,356,464.80x = 14,658,346,320,416,758
  5. Step 5: Solve for x
    x = 14,658,346,320,416,758/112,356,464.80
  6. Step 6: Final answer
    x = 130,462,865.19

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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.