Home / 213,994,042.40-320,991,063.60-137,466,538.40

Finding the Fourth Proportional to 213,994,042.40, 320,991,063.60 and 137,466,538.40

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Solution

The fourth proportional to 213,994,042.40, 320,991,063.60 and 137,466,538.40 is: 206,199,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,994,042.40 : 320,991,063.60 = 137,466,538.40 : x
  2. Step 2: Convert to fraction form
    213,994,042.40/320,991,063.60 = 137,466,538.40/x
  3. Step 3: Cross multiply
    213,994,042.40x = 320,991,063.60 × 137,466,538.40
  4. Step 4: Simplify right side
    213,994,042.40x = 44,125,530,370,426,248
  5. Step 5: Solve for x
    x = 44,125,530,370,426,248/213,994,042.40
  6. Step 6: Final answer
    x = 206,199,807.60

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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.