Home / 98,925,417,112.28-147,721,960,371.95-80,789,182,463.85

Finding the Fourth Proportional to 98,925,417,112.28, 147,721,960,371.95 and 80,789,182,463.85

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Solution

The fourth proportional to 98,925,417,112.28, 147,721,960,371.95 and 80,789,182,463.85 is: 120,639,738,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925,417,112.28 : 147,721,960,371.95 = 80,789,182,463.85 : x
  2. Step 2: Convert to fraction form
    98,925,417,112.28/147,721,960,371.95 = 80,789,182,463.85/x
  3. Step 3: Cross multiply
    98,925,417,112.28x = 147,721,960,371.95 × 80,789,182,463.85
  4. Step 4: Simplify right side
    98,925,417,112.28x = 11,934,336,410,407,088,947,200
  5. Step 5: Solve for x
    x = 11,934,336,410,407,088,947,200/98,925,417,112.28
  6. Step 6: Final answer
    x = 120,639,738,085.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.