Home / 109,398,890.52-150,970,923.76-59,163,109.08

Finding the Fourth Proportional to 109,398,890.52, 150,970,923.76 and 59,163,109.08

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Solution

The fourth proportional to 109,398,890.52, 150,970,923.76 and 59,163,109.08 is: 81,645,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398,890.52 : 150,970,923.76 = 59,163,109.08 : x
  2. Step 2: Convert to fraction form
    109,398,890.52/150,970,923.76 = 59,163,109.08/x
  3. Step 3: Cross multiply
    109,398,890.52x = 150,970,923.76 × 59,163,109.08
  4. Step 4: Simplify right side
    109,398,890.52x = 8,931,909,230,321,243
  5. Step 5: Solve for x
    x = 8,931,909,230,321,243/109,398,890.52
  6. Step 6: Final answer
    x = 81,645,336.51

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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.