Home / 117,859,998.90-162,650,470.06-67,633,415.22

Finding the Fourth Proportional to 117,859,998.90, 162,650,470.06 and 67,633,415.22

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Solution

The fourth proportional to 117,859,998.90, 162,650,470.06 and 67,633,415.22 is: 93,336,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,859,998.90 : 162,650,470.06 = 67,633,415.22 : x
  2. Step 2: Convert to fraction form
    117,859,998.90/162,650,470.06 = 67,633,415.22/x
  3. Step 3: Cross multiply
    117,859,998.90x = 162,650,470.06 × 67,633,415.22
  4. Step 4: Simplify right side
    117,859,998.90x = 11,000,606,777,296,158
  5. Step 5: Solve for x
    x = 11,000,606,777,296,158/117,859,998.90
  6. Step 6: Final answer
    x = 93,336,219.92

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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.