Home / 112,029,159.60-168,043,739.40-105,226,714.80

Finding the Fourth Proportional to 112,029,159.60, 168,043,739.40 and 105,226,714.80

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Solution

The fourth proportional to 112,029,159.60, 168,043,739.40 and 105,226,714.80 is: 157,840,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029,159.60 : 168,043,739.40 = 105,226,714.80 : x
  2. Step 2: Convert to fraction form
    112,029,159.60/168,043,739.40 = 105,226,714.80/x
  3. Step 3: Cross multiply
    112,029,159.60x = 168,043,739.40 × 105,226,714.80
  4. Step 4: Simplify right side
    112,029,159.60x = 17,682,690,639,769,324
  5. Step 5: Solve for x
    x = 17,682,690,639,769,324/112,029,159.60
  6. Step 6: Final answer
    x = 157,840,072.20

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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.