Home / 208,729,329.04-288,046,990.44-115,909,834.16

Finding the Fourth Proportional to 208,729,329.04, 288,046,990.44 and 115,909,834.16

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Solution

The fourth proportional to 208,729,329.04, 288,046,990.44 and 115,909,834.16 is: 159,955,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,729,329.04 : 288,046,990.44 = 115,909,834.16 : x
  2. Step 2: Convert to fraction form
    208,729,329.04/288,046,990.44 = 115,909,834.16/x
  3. Step 3: Cross multiply
    208,729,329.04x = 288,046,990.44 × 115,909,834.16
  4. Step 4: Simplify right side
    208,729,329.04x = 33,387,478,892,187,504
  5. Step 5: Solve for x
    x = 33,387,478,892,187,504/208,729,329.04
  6. Step 6: Final answer
    x = 159,955,857.88

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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.