Home / 220,191,835.86-330,069,586.77-103,398,119.73

Finding the Fourth Proportional to 220,191,835.86, 330,069,586.77 and 103,398,119.73

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Solution

The fourth proportional to 220,191,835.86, 330,069,586.77 and 103,398,119.73 is: 154,994,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,191,835.86 : 330,069,586.77 = 103,398,119.73 : x
  2. Step 2: Convert to fraction form
    220,191,835.86/330,069,586.77 = 103,398,119.73/x
  3. Step 3: Cross multiply
    220,191,835.86x = 330,069,586.77 × 103,398,119.73
  4. Step 4: Simplify right side
    220,191,835.86x = 34,128,574,653,701,588
  5. Step 5: Solve for x
    x = 34,128,574,653,701,588/220,191,835.86
  6. Step 6: Final answer
    x = 154,994,732.30

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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.