Home / 177,155,791.20-265,733,686.80-131,806,159.20

Finding the Fourth Proportional to 177,155,791.20, 265,733,686.80 and 131,806,159.20

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Solution

The fourth proportional to 177,155,791.20, 265,733,686.80 and 131,806,159.20 is: 197,709,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155,791.20 : 265,733,686.80 = 131,806,159.20 : x
  2. Step 2: Convert to fraction form
    177,155,791.20/265,733,686.80 = 131,806,159.20/x
  3. Step 3: Cross multiply
    177,155,791.20x = 265,733,686.80 × 131,806,159.20
  4. Step 4: Simplify right side
    177,155,791.20x = 35,025,336,627,163,740
  5. Step 5: Solve for x
    x = 35,025,336,627,163,740/177,155,791.20
  6. Step 6: Final answer
    x = 197,709,238.80

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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.