Home / 220,024,838-303,636,693.12-120,905,611.04

Finding the Fourth Proportional to 220,024,838, 303,636,693.12 and 120,905,611.04

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Solution

The fourth proportional to 220,024,838, 303,636,693.12 and 120,905,611.04 is: 166,851,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,024,838 : 303,636,693.12 = 120,905,611.04 : x
  2. Step 2: Convert to fraction form
    220,024,838/303,636,693.12 = 120,905,611.04/x
  3. Step 3: Cross multiply
    220,024,838x = 303,636,693.12 × 120,905,611.04
  4. Step 4: Simplify right side
    220,024,838x = 36,711,379,915,838,568
  5. Step 5: Solve for x
    x = 36,711,379,915,838,568/220,024,838
  6. Step 6: Final answer
    x = 166,851,071.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.