Home / 190,488,161.71-285,760,635.27-67,656,159.64

Finding the Fourth Proportional to 190,488,161.71, 285,760,635.27 and 67,656,159.64

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Solution

The fourth proportional to 190,488,161.71, 285,760,635.27 and 67,656,159.64 is: 101,494,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,488,161.71 : 285,760,635.27 = 67,656,159.64 : x
  2. Step 2: Convert to fraction form
    190,488,161.71/285,760,635.27 = 67,656,159.64/x
  3. Step 3: Cross multiply
    190,488,161.71x = 285,760,635.27 × 67,656,159.64
  4. Step 4: Simplify right side
    190,488,161.71x = 19,333,467,158,654,932
  5. Step 5: Solve for x
    x = 19,333,467,158,654,932/190,488,161.71
  6. Step 6: Final answer
    x = 101,494,323.77

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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.