Home / 109,165,787.60-163,300,783.80-98,416,245.20

Finding the Fourth Proportional to 109,165,787.60, 163,300,783.80 and 98,416,245.20

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Solution

The fourth proportional to 109,165,787.60, 163,300,783.80 and 98,416,245.20 is: 147,220,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165,787.60 : 163,300,783.80 = 98,416,245.20 : x
  2. Step 2: Convert to fraction form
    109,165,787.60/163,300,783.80 = 98,416,245.20/x
  3. Step 3: Cross multiply
    109,165,787.60x = 163,300,783.80 × 98,416,245.20
  4. Step 4: Simplify right side
    109,165,787.60x = 16,071,449,979,812,990
  5. Step 5: Solve for x
    x = 16,071,449,979,812,990/109,165,787.60
  6. Step 6: Final answer
    x = 147,220,574.62

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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.