Home / 130,520,718,768.66-180,118,600,562.31-72,647,856,604.92

Finding the Fourth Proportional to 130,520,718,768.66, 180,118,600,562.31 and 72,647,856,604.92

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Solution

The fourth proportional to 130,520,718,768.66, 180,118,600,562.31 and 72,647,856,604.92 is: 100,254,046,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,520,718,768.66 : 180,118,600,562.31 = 72,647,856,604.92 : x
  2. Step 2: Convert to fraction form
    130,520,718,768.66/180,118,600,562.31 = 72,647,856,604.92/x
  3. Step 3: Cross multiply
    130,520,718,768.66x = 180,118,600,562.31 × 72,647,856,604.92
  4. Step 4: Simplify right side
    130,520,718,768.66x = 13,085,230,265,529,559,678,976
  5. Step 5: Solve for x
    x = 13,085,230,265,529,559,678,976/130,520,718,768.66
  6. Step 6: Final answer
    x = 100,254,046,935.82

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1.5x scale

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.