Home / 112,356,145.80-168,534,218.70-86,846,977.80

Finding the Fourth Proportional to 112,356,145.80, 168,534,218.70 and 86,846,977.80

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Solution

The fourth proportional to 112,356,145.80, 168,534,218.70 and 86,846,977.80 is: 130,270,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,145.80 : 168,534,218.70 = 86,846,977.80 : x
  2. Step 2: Convert to fraction form
    112,356,145.80/168,534,218.70 = 86,846,977.80/x
  3. Step 3: Cross multiply
    112,356,145.80x = 168,534,218.70 × 86,846,977.80
  4. Step 4: Simplify right side
    112,356,145.80x = 14,636,687,549,979,244
  5. Step 5: Solve for x
    x = 14,636,687,549,979,244/112,356,145.80
  6. Step 6: Final answer
    x = 130,270,466.70

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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.