Home / 99,644,530.30-149,494,789.05-48,528,216.70

Finding the Fourth Proportional to 99,644,530.30, 149,494,789.05 and 48,528,216.70

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Solution

The fourth proportional to 99,644,530.30, 149,494,789.05 and 48,528,216.70 is: 72,805,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,644,530.30 : 149,494,789.05 = 48,528,216.70 : x
  2. Step 2: Convert to fraction form
    99,644,530.30/149,494,789.05 = 48,528,216.70/x
  3. Step 3: Cross multiply
    99,644,530.30x = 149,494,789.05 × 48,528,216.70
  4. Step 4: Simplify right side
    99,644,530.30x = 7,254,715,518,539,188
  5. Step 5: Solve for x
    x = 7,254,715,518,539,188/99,644,530.30
  6. Step 6: Final answer
    x = 72,805,958.31

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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.