Home / 193,251,364.80-289,688,090.40-172,844,030.40

Finding the Fourth Proportional to 193,251,364.80, 289,688,090.40 and 172,844,030.40

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Solution

The fourth proportional to 193,251,364.80, 289,688,090.40 and 172,844,030.40 is: 259,097,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,251,364.80 : 289,688,090.40 = 172,844,030.40 : x
  2. Step 2: Convert to fraction form
    193,251,364.80/289,688,090.40 = 172,844,030.40/x
  3. Step 3: Cross multiply
    193,251,364.80x = 289,688,090.40 × 172,844,030.40
  4. Step 4: Simplify right side
    193,251,364.80x = 50,070,857,103,615,544
  5. Step 5: Solve for x
    x = 50,070,857,103,615,544/193,251,364.80
  6. Step 6: Final answer
    x = 259,097,042.63

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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.