Home / 207,922,913.10-286,843,550.67-125,370,836.46

Finding the Fourth Proportional to 207,922,913.10, 286,843,550.67 and 125,370,836.46

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Solution

The fourth proportional to 207,922,913.10, 286,843,550.67 and 125,370,836.46 is: 172,957,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922,913.10 : 286,843,550.67 = 125,370,836.46 : x
  2. Step 2: Convert to fraction form
    207,922,913.10/286,843,550.67 = 125,370,836.46/x
  3. Step 3: Cross multiply
    207,922,913.10x = 286,843,550.67 × 125,370,836.46
  4. Step 4: Simplify right side
    207,922,913.10x = 35,961,815,880,654,292
  5. Step 5: Solve for x
    x = 35,961,815,880,654,292/207,922,913.10
  6. Step 6: Final answer
    x = 172,957,445.36

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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.