Home / 220,030,534.50-303,651,585.45-122,245,390.50

Finding the Fourth Proportional to 220,030,534.50, 303,651,585.45 and 122,245,390.50

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Solution

The fourth proportional to 220,030,534.50, 303,651,585.45 and 122,245,390.50 is: 168,703,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,030,534.50 : 303,651,585.45 = 122,245,390.50 : x
  2. Step 2: Convert to fraction form
    220,030,534.50/303,651,585.45 = 122,245,390.50/x
  3. Step 3: Cross multiply
    220,030,534.50x = 303,651,585.45 × 122,245,390.50
  4. Step 4: Simplify right side
    220,030,534.50x = 37,120,006,639,279,368
  5. Step 5: Solve for x
    x = 37,120,006,639,279,368/220,030,534.50
  6. Step 6: Final answer
    x = 168,703,887.96

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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.