Home / 132,859,404.80-199,289,107.20-42,010,841.60

Finding the Fourth Proportional to 132,859,404.80, 199,289,107.20 and 42,010,841.60

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Solution

The fourth proportional to 132,859,404.80, 199,289,107.20 and 42,010,841.60 is: 63,016,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,404.80 : 199,289,107.20 = 42,010,841.60 : x
  2. Step 2: Convert to fraction form
    132,859,404.80/199,289,107.20 = 42,010,841.60/x
  3. Step 3: Cross multiply
    132,859,404.80x = 199,289,107.20 × 42,010,841.60
  4. Step 4: Simplify right side
    132,859,404.80x = 8,372,303,115,184,619
  5. Step 5: Solve for x
    x = 8,372,303,115,184,619/132,859,404.80
  6. Step 6: Final answer
    x = 63,016,262.40

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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.