Home / 117,636,288.79-176,293,006.34-74,428,142.59

Finding the Fourth Proportional to 117,636,288.79, 176,293,006.34 and 74,428,142.59

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Solution

The fourth proportional to 117,636,288.79, 176,293,006.34 and 74,428,142.59 is: 111,540,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,288.79 : 176,293,006.34 = 74,428,142.59 : x
  2. Step 2: Convert to fraction form
    117,636,288.79/176,293,006.34 = 74,428,142.59/x
  3. Step 3: Cross multiply
    117,636,288.79x = 176,293,006.34 × 74,428,142.59
  4. Step 4: Simplify right side
    117,636,288.79x = 13,121,161,012,611,828
  5. Step 5: Solve for x
    x = 13,121,161,012,611,828/117,636,288.79
  6. Step 6: Final answer
    x = 111,540,079.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.