Home / 99,624,005.20-149,436,007.80-65,583,787.60

Finding the Fourth Proportional to 99,624,005.20, 149,436,007.80 and 65,583,787.60

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Solution

The fourth proportional to 99,624,005.20, 149,436,007.80 and 65,583,787.60 is: 98,375,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624,005.20 : 149,436,007.80 = 65,583,787.60 : x
  2. Step 2: Convert to fraction form
    99,624,005.20/149,436,007.80 = 65,583,787.60/x
  3. Step 3: Cross multiply
    99,624,005.20x = 149,436,007.80 × 65,583,787.60
  4. Step 4: Simplify right side
    99,624,005.20x = 9,800,579,395,347,144
  5. Step 5: Solve for x
    x = 9,800,579,395,347,144/99,624,005.20
  6. Step 6: Final answer
    x = 98,375,681.40

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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.