Home / 67,220,932.30-100,831,398.45-53,784,004.30

Finding the Fourth Proportional to 67,220,932.30, 100,831,398.45 and 53,784,004.30

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Solution

The fourth proportional to 67,220,932.30, 100,831,398.45 and 53,784,004.30 is: 80,676,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220,932.30 : 100,831,398.45 = 53,784,004.30 : x
  2. Step 2: Convert to fraction form
    67,220,932.30/100,831,398.45 = 53,784,004.30/x
  3. Step 3: Cross multiply
    67,220,932.30x = 100,831,398.45 × 53,784,004.30
  4. Step 4: Simplify right side
    67,220,932.30x = 5,423,116,367,809,813
  5. Step 5: Solve for x
    x = 5,423,116,367,809,813/67,220,932.30
  6. Step 6: Final answer
    x = 80,676,006.45

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1.5x scale

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.