Home / 112,029,164.10-168,043,746.15-105,226,719.30

Finding the Fourth Proportional to 112,029,164.10, 168,043,746.15 and 105,226,719.30

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Solution

The fourth proportional to 112,029,164.10, 168,043,746.15 and 105,226,719.30 is: 157,840,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029,164.10 : 168,043,746.15 = 105,226,719.30 : x
  2. Step 2: Convert to fraction form
    112,029,164.10/168,043,746.15 = 105,226,719.30/x
  3. Step 3: Cross multiply
    112,029,164.10x = 168,043,746.15 × 105,226,719.30
  4. Step 4: Simplify right side
    112,029,164.10x = 17,682,692,106,246,506
  5. Step 5: Solve for x
    x = 17,682,692,106,246,506/112,029,164.10
  6. Step 6: Final answer
    x = 157,840,078.95

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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.