Home / 109,982,621.80-165,068,411.10-48,666,140.20

Finding the Fourth Proportional to 109,982,621.80, 165,068,411.10 and 48,666,140.20

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Solution

The fourth proportional to 109,982,621.80, 165,068,411.10 and 48,666,140.20 is: 73,041,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982,621.80 : 165,068,411.10 = 48,666,140.20 : x
  2. Step 2: Convert to fraction form
    109,982,621.80/165,068,411.10 = 48,666,140.20/x
  3. Step 3: Cross multiply
    109,982,621.80x = 165,068,411.10 × 48,666,140.20
  4. Step 4: Simplify right side
    109,982,621.80x = 8,033,242,437,183,836
  5. Step 5: Solve for x
    x = 8,033,242,437,183,836/109,982,621.80
  6. Step 6: Final answer
    x = 73,041,015.99

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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.