Home / 221,467,802.60-332,102,171.10-85,107,866.60

Finding the Fourth Proportional to 221,467,802.60, 332,102,171.10 and 85,107,866.60

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Solution

The fourth proportional to 221,467,802.60, 332,102,171.10 and 85,107,866.60 is: 127,623,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467,802.60 : 332,102,171.10 = 85,107,866.60 : x
  2. Step 2: Convert to fraction form
    221,467,802.60/332,102,171.10 = 85,107,866.60/x
  3. Step 3: Cross multiply
    221,467,802.60x = 332,102,171.10 × 85,107,866.60
  4. Step 4: Simplify right side
    221,467,802.60x = 28,264,507,275,549,176
  5. Step 5: Solve for x
    x = 28,264,507,275,549,176/221,467,802.60
  6. Step 6: Final answer
    x = 127,623,550.44

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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.