Home / 99,421,029-149,136,857.92-31,269,035.16

Finding the Fourth Proportional to 99,421,029, 149,136,857.92 and 31,269,035.16

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Solution

The fourth proportional to 99,421,029, 149,136,857.92 and 31,269,035.16 is: 46,905,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,421,029 : 149,136,857.92 = 31,269,035.16 : x
  2. Step 2: Convert to fraction form
    99,421,029/149,136,857.92 = 31,269,035.16/x
  3. Step 3: Cross multiply
    99,421,029x = 149,136,857.92 × 31,269,035.16
  4. Step 4: Simplify right side
    99,421,029x = 4,663,365,653,952,404
  5. Step 5: Solve for x
    x = 4,663,365,653,952,404/99,421,029
  6. Step 6: Final answer
    x = 46,905,224.19

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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.