Home / 116,909,920.80-175,375,940.40-31,809,376.80

Finding the Fourth Proportional to 116,909,920.80, 175,375,940.40 and 31,809,376.80

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Solution

The fourth proportional to 116,909,920.80, 175,375,940.40 and 31,809,376.80 is: 47,717,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,909,920.80 : 175,375,940.40 = 31,809,376.80 : x
  2. Step 2: Convert to fraction form
    116,909,920.80/175,375,940.40 = 31,809,376.80/x
  3. Step 3: Cross multiply
    116,909,920.80x = 175,375,940.40 × 31,809,376.80
  4. Step 4: Simplify right side
    116,909,920.80x = 5,578,599,369,837,943
  5. Step 5: Solve for x
    x = 5,578,599,369,837,943/116,909,920.80
  6. Step 6: Final answer
    x = 47,717,074.24

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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.