Home / 207,964,256.04-286,999,639.29-115,144,763.22

Finding the Fourth Proportional to 207,964,256.04, 286,999,639.29 and 115,144,763.22

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Solution

The fourth proportional to 207,964,256.04, 286,999,639.29 and 115,144,763.22 is: 158,904,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,964,256.04 : 286,999,639.29 = 115,144,763.22 : x
  2. Step 2: Convert to fraction form
    207,964,256.04/286,999,639.29 = 115,144,763.22/x
  3. Step 3: Cross multiply
    207,964,256.04x = 286,999,639.29 × 115,144,763.22
  4. Step 4: Simplify right side
    207,964,256.04x = 33,046,505,510,272,460
  5. Step 5: Solve for x
    x = 33,046,505,510,272,460/207,964,256.04
  6. Step 6: Final answer
    x = 158,904,737.48

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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.