Home / 43,115,470.70-64,673,206.05-21,553,400.30

Finding the Fourth Proportional to 43,115,470.70, 64,673,206.05 and 21,553,400.30

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Solution

The fourth proportional to 43,115,470.70, 64,673,206.05 and 21,553,400.30 is: 32,330,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,470.70 : 64,673,206.05 = 21,553,400.30 : x
  2. Step 2: Convert to fraction form
    43,115,470.70/64,673,206.05 = 21,553,400.30/x
  3. Step 3: Cross multiply
    43,115,470.70x = 64,673,206.05 × 21,553,400.30
  4. Step 4: Simplify right side
    43,115,470.70x = 1,393,927,498,680,031.75
  5. Step 5: Solve for x
    x = 1,393,927,498,680,031.75/43,115,470.70
  6. Step 6: Final answer
    x = 32,330,100.45

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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.