Home / 109,332,509,061.72-163,733,927,515.38-75,661,781,437.56

Finding the Fourth Proportional to 109,332,509,061.72, 163,733,927,515.38 and 75,661,781,437.56

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Solution

The fourth proportional to 109,332,509,061.72, 163,733,927,515.38 and 75,661,781,437.56 is: 113,309,396,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,332,509,061.72 : 163,733,927,515.38 = 75,661,781,437.56 : x
  2. Step 2: Convert to fraction form
    109,332,509,061.72/163,733,927,515.38 = 75,661,781,437.56/x
  3. Step 3: Cross multiply
    109,332,509,061.72x = 163,733,927,515.38 × 75,661,781,437.56
  4. Step 4: Simplify right side
    109,332,509,061.72x = 12,388,400,637,581,973,258,240
  5. Step 5: Solve for x
    x = 12,388,400,637,581,973,258,240/109,332,509,061.72
  6. Step 6: Final answer
    x = 113,309,396,664.34

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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.