Home / 77,031,016.14-106,124,143.20-53,789,329.74

Finding the Fourth Proportional to 77,031,016.14, 106,124,143.20 and 53,789,329.74

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Solution

The fourth proportional to 77,031,016.14, 106,124,143.20 and 53,789,329.74 is: 74,104,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031,016.14 : 106,124,143.20 = 53,789,329.74 : x
  2. Step 2: Convert to fraction form
    77,031,016.14/106,124,143.20 = 53,789,329.74/x
  3. Step 3: Cross multiply
    77,031,016.14x = 106,124,143.20 × 53,789,329.74
  4. Step 4: Simplify right side
    77,031,016.14x = 5,708,346,531,959,779
  5. Step 5: Solve for x
    x = 5,708,346,531,959,779/77,031,016.14
  6. Step 6: Final answer
    x = 74,104,520.72

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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.