Home / 109,678,952.52-151,102,574.73-76,586,785.74

Finding the Fourth Proportional to 109,678,952.52, 151,102,574.73 and 76,586,785.74

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Solution

The fourth proportional to 109,678,952.52, 151,102,574.73 and 76,586,785.74 is: 105,512,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678,952.52 : 151,102,574.73 = 76,586,785.74 : x
  2. Step 2: Convert to fraction form
    109,678,952.52/151,102,574.73 = 76,586,785.74/x
  3. Step 3: Cross multiply
    109,678,952.52x = 151,102,574.73 × 76,586,785.74
  4. Step 4: Simplify right side
    109,678,952.52x = 11,572,460,515,608,846
  5. Step 5: Solve for x
    x = 11,572,460,515,608,846/109,678,952.52
  6. Step 6: Final answer
    x = 105,512,135.64

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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.