Home / 401,573,659.76-602,388,161.24-168,169,367.60

Finding the Fourth Proportional to 401,573,659.76, 602,388,161.24 and 168,169,367.60

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Solution

The fourth proportional to 401,573,659.76, 602,388,161.24 and 168,169,367.60 is: 252,265,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,573,659.76 : 602,388,161.24 = 168,169,367.60 : x
  2. Step 2: Convert to fraction form
    401,573,659.76/602,388,161.24 = 168,169,367.60/x
  3. Step 3: Cross multiply
    401,573,659.76x = 602,388,161.24 × 168,169,367.60
  4. Step 4: Simplify right side
    401,573,659.76x = 101,303,236,125,457,632
  5. Step 5: Solve for x
    x = 101,303,236,125,457,632/401,573,659.76
  6. Step 6: Final answer
    x = 252,265,639.60

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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.