Home / 220,152,034.05-330,228,051.08-90,693,006.45

Finding the Fourth Proportional to 220,152,034.05, 330,228,051.08 and 90,693,006.45

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Solution

The fourth proportional to 220,152,034.05, 330,228,051.08 and 90,693,006.45 is: 136,039,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152,034.05 : 330,228,051.08 = 90,693,006.45 : x
  2. Step 2: Convert to fraction form
    220,152,034.05/330,228,051.08 = 90,693,006.45/x
  3. Step 3: Cross multiply
    220,152,034.05x = 330,228,051.08 × 90,693,006.45
  4. Step 4: Simplify right side
    220,152,034.05x = 29,949,374,766,115,904
  5. Step 5: Solve for x
    x = 29,949,374,766,115,904/220,152,034.05
  6. Step 6: Final answer
    x = 136,039,509.68

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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.