Home / 107,837,602.80-161,756,404.20-31,163,132.40

Finding the Fourth Proportional to 107,837,602.80, 161,756,404.20 and 31,163,132.40

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Solution

The fourth proportional to 107,837,602.80, 161,756,404.20 and 31,163,132.40 is: 46,744,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,602.80 : 161,756,404.20 = 31,163,132.40 : x
  2. Step 2: Convert to fraction form
    107,837,602.80/161,756,404.20 = 31,163,132.40/x
  3. Step 3: Cross multiply
    107,837,602.80x = 161,756,404.20 × 31,163,132.40
  4. Step 4: Simplify right side
    107,837,602.80x = 5,040,836,240,632,515
  5. Step 5: Solve for x
    x = 5,040,836,240,632,515/107,837,602.80
  6. Step 6: Final answer
    x = 46,744,698.60

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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.