Home / 29,112,005.10-43,668,007.65-20,042,078.70

Finding the Fourth Proportional to 29,112,005.10, 43,668,007.65 and 20,042,078.70

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Solution

The fourth proportional to 29,112,005.10, 43,668,007.65 and 20,042,078.70 is: 30,063,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112,005.10 : 43,668,007.65 = 20,042,078.70 : x
  2. Step 2: Convert to fraction form
    29,112,005.10/43,668,007.65 = 20,042,078.70/x
  3. Step 3: Cross multiply
    29,112,005.10x = 43,668,007.65 × 20,042,078.70
  4. Step 4: Simplify right side
    29,112,005.10x = 875,197,645,993,502
  5. Step 5: Solve for x
    x = 875,197,645,993,502/29,112,005.10
  6. Step 6: Final answer
    x = 30,063,118.05

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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.