Home / 131,868,507.02-197,820,950.09-76,562,388.24

Finding the Fourth Proportional to 131,868,507.02, 197,820,950.09 and 76,562,388.24

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Solution

The fourth proportional to 131,868,507.02, 197,820,950.09 and 76,562,388.24 is: 114,854,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,507.02 : 197,820,950.09 = 76,562,388.24 : x
  2. Step 2: Convert to fraction form
    131,868,507.02/197,820,950.09 = 76,562,388.24/x
  3. Step 3: Cross multiply
    131,868,507.02x = 197,820,950.09 × 76,562,388.24
  4. Step 4: Simplify right side
    131,868,507.02x = 15,145,644,382,413,430
  5. Step 5: Solve for x
    x = 15,145,644,382,413,430/131,868,507.02
  6. Step 6: Final answer
    x = 114,854,143.15

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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.