Home / 99,643,322.20-149,464,983.30-56,645,152.60

Finding the Fourth Proportional to 99,643,322.20, 149,464,983.30 and 56,645,152.60

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Solution

The fourth proportional to 99,643,322.20, 149,464,983.30 and 56,645,152.60 is: 84,967,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643,322.20 : 149,464,983.30 = 56,645,152.60 : x
  2. Step 2: Convert to fraction form
    99,643,322.20/149,464,983.30 = 56,645,152.60/x
  3. Step 3: Cross multiply
    99,643,322.20x = 149,464,983.30 × 56,645,152.60
  4. Step 4: Simplify right side
    99,643,322.20x = 8,466,466,787,384,952
  5. Step 5: Solve for x
    x = 8,466,466,787,384,952/99,643,322.20
  6. Step 6: Final answer
    x = 84,967,728.90

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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.