Home / 99,421,098.80-149,136,962.52-31,269,104.88

Finding the Fourth Proportional to 99,421,098.80, 149,136,962.52 and 31,269,104.88

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Solution

The fourth proportional to 99,421,098.80, 149,136,962.52 and 31,269,104.88 is: 46,905,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,421,098.80 : 149,136,962.52 = 31,269,104.88 : x
  2. Step 2: Convert to fraction form
    99,421,098.80/149,136,962.52 = 31,269,104.88/x
  3. Step 3: Cross multiply
    99,421,098.80x = 149,136,962.52 × 31,269,104.88
  4. Step 4: Simplify right side
    99,421,098.80x = 4,663,379,322,522,509
  5. Step 5: Solve for x
    x = 4,663,379,322,522,509/99,421,098.80
  6. Step 6: Final answer
    x = 46,905,328.74

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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.