Home / 144,811,067.60-217,158,864.60-47,739,760.40

Finding the Fourth Proportional to 144,811,067.60, 217,158,864.60 and 47,739,760.40

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Solution

The fourth proportional to 144,811,067.60, 217,158,864.60 and 47,739,760.40 is: 71,590,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,811,067.60 : 217,158,864.60 = 47,739,760.40 : x
  2. Step 2: Convert to fraction form
    144,811,067.60/217,158,864.60 = 47,739,760.40/x
  3. Step 3: Cross multiply
    144,811,067.60x = 217,158,864.60 × 47,739,760.40
  4. Step 4: Simplify right side
    144,811,067.60x = 10,367,112,164,740,042
  5. Step 5: Solve for x
    x = 10,367,112,164,740,042/144,811,067.60
  6. Step 6: Final answer
    x = 71,590,606.55

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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.