Home / 197,971,439.60-296,957,159.40-172,462,271.60

Finding the Fourth Proportional to 197,971,439.60, 296,957,159.40 and 172,462,271.60

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Solution

The fourth proportional to 197,971,439.60, 296,957,159.40 and 172,462,271.60 is: 258,693,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,971,439.60 : 296,957,159.40 = 172,462,271.60 : x
  2. Step 2: Convert to fraction form
    197,971,439.60/296,957,159.40 = 172,462,271.60/x
  3. Step 3: Cross multiply
    197,971,439.60x = 296,957,159.40 × 172,462,271.60
  4. Step 4: Simplify right side
    197,971,439.60x = 51,213,906,278,007,288
  5. Step 5: Solve for x
    x = 51,213,906,278,007,288/197,971,439.60
  6. Step 6: Final answer
    x = 258,693,407.40

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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.