Home / 220,815,643.74-304,777,516.23-137,246,887.50

Finding the Fourth Proportional to 220,815,643.74, 304,777,516.23 and 137,246,887.50

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Solution

The fourth proportional to 220,815,643.74, 304,777,516.23 and 137,246,887.50 is: 189,432,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,815,643.74 : 304,777,516.23 = 137,246,887.50 : x
  2. Step 2: Convert to fraction form
    220,815,643.74/304,777,516.23 = 137,246,887.50/x
  3. Step 3: Cross multiply
    220,815,643.74x = 304,777,516.23 × 137,246,887.50
  4. Step 4: Simplify right side
    220,815,643.74x = 41,829,765,482,548,240
  5. Step 5: Solve for x
    x = 41,829,765,482,548,240/220,815,643.74
  6. Step 6: Final answer
    x = 189,432,980.26

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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.