Home / 66,490,232.40-99,809,998.20-51,411,013.20

Finding the Fourth Proportional to 66,490,232.40, 99,809,998.20 and 51,411,013.20

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Solution

The fourth proportional to 66,490,232.40, 99,809,998.20 and 51,411,013.20 is: 77,174,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490,232.40 : 99,809,998.20 = 51,411,013.20 : x
  2. Step 2: Convert to fraction form
    66,490,232.40/99,809,998.20 = 51,411,013.20/x
  3. Step 3: Cross multiply
    66,490,232.40x = 99,809,998.20 × 51,411,013.20
  4. Step 4: Simplify right side
    66,490,232.40x = 5,131,333,134,952,177
  5. Step 5: Solve for x
    x = 5,131,333,134,952,177/66,490,232.40
  6. Step 6: Final answer
    x = 77,174,239.73

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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.