Home / 99,688,857.40-149,533,286.10-56,541,388.60

Finding the Fourth Proportional to 99,688,857.40, 149,533,286.10 and 56,541,388.60

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Solution

The fourth proportional to 99,688,857.40, 149,533,286.10 and 56,541,388.60 is: 84,812,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688,857.40 : 149,533,286.10 = 56,541,388.60 : x
  2. Step 2: Convert to fraction form
    99,688,857.40/149,533,286.10 = 56,541,388.60/x
  3. Step 3: Cross multiply
    99,688,857.40x = 149,533,286.10 × 56,541,388.60
  4. Step 4: Simplify right side
    99,688,857.40x = 8,454,819,638,015,078
  5. Step 5: Solve for x
    x = 8,454,819,638,015,078/99,688,857.40
  6. Step 6: Final answer
    x = 84,812,082.90

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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.