Home / 160,397,772-221,310,983.58-90,783,152.88

Finding the Fourth Proportional to 160,397,772, 221,310,983.58 and 90,783,152.88

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Solution

The fourth proportional to 160,397,772, 221,310,983.58 and 90,783,152.88 is: 125,259,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,397,772 : 221,310,983.58 = 90,783,152.88 : x
  2. Step 2: Convert to fraction form
    160,397,772/221,310,983.58 = 90,783,152.88/x
  3. Step 3: Cross multiply
    160,397,772x = 221,310,983.58 × 90,783,152.88
  4. Step 4: Simplify right side
    160,397,772x = 20,091,308,856,366,308
  5. Step 5: Solve for x
    x = 20,091,308,856,366,308/160,397,772
  6. Step 6: Final answer
    x = 125,259,276.40

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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.