Home / 99,479,967.80-149,166,807.60-41,907,192.80

Finding the Fourth Proportional to 99,479,967.80, 149,166,807.60 and 41,907,192.80

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Solution

The fourth proportional to 99,479,967.80, 149,166,807.60 and 41,907,192.80 is: 62,838,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,479,967.80 : 149,166,807.60 = 41,907,192.80 : x
  2. Step 2: Convert to fraction form
    99,479,967.80/149,166,807.60 = 41,907,192.80/x
  3. Step 3: Cross multiply
    99,479,967.80x = 149,166,807.60 × 41,907,192.80
  4. Step 4: Simplify right side
    99,479,967.80x = 6,251,162,165,453,705
  5. Step 5: Solve for x
    x = 6,251,162,165,453,705/99,479,967.80
  6. Step 6: Final answer
    x = 62,838,401.58

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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.