Home / 63,209,479.80-87,236,161.20-35,709,179.52

Finding the Fourth Proportional to 63,209,479.80, 87,236,161.20 and 35,709,179.52

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Solution

The fourth proportional to 63,209,479.80, 87,236,161.20 and 35,709,179.52 is: 49,282,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,209,479.80 : 87,236,161.20 = 35,709,179.52 : x
  2. Step 2: Convert to fraction form
    63,209,479.80/87,236,161.20 = 35,709,179.52/x
  3. Step 3: Cross multiply
    63,209,479.80x = 87,236,161.20 × 35,709,179.52
  4. Step 4: Simplify right side
    63,209,479.80x = 3,115,131,740,926,459
  5. Step 5: Solve for x
    x = 3,115,131,740,926,459/63,209,479.80
  6. Step 6: Final answer
    x = 49,282,666.95

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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.