Home / 220,151,628.30-330,227,442.45-90,692,600.70

Finding the Fourth Proportional to 220,151,628.30, 330,227,442.45 and 90,692,600.70

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Solution

The fourth proportional to 220,151,628.30, 330,227,442.45 and 90,692,600.70 is: 136,038,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,151,628.30 : 330,227,442.45 = 90,692,600.70 : x
  2. Step 2: Convert to fraction form
    220,151,628.30/330,227,442.45 = 90,692,600.70/x
  3. Step 3: Cross multiply
    220,151,628.30x = 330,227,442.45 × 90,692,600.70
  4. Step 4: Simplify right side
    220,151,628.30x = 29,949,185,578,300,080
  5. Step 5: Solve for x
    x = 29,949,185,578,300,080/220,151,628.30
  6. Step 6: Final answer
    x = 136,038,901.05

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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.