Home / 124,677,311.31-172,054,923.12-69,673,167.81

Finding the Fourth Proportional to 124,677,311.31, 172,054,923.12 and 69,673,167.81

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Solution

The fourth proportional to 124,677,311.31, 172,054,923.12 and 69,673,167.81 is: 96,149,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677,311.31 : 172,054,923.12 = 69,673,167.81 : x
  2. Step 2: Convert to fraction form
    124,677,311.31/172,054,923.12 = 69,673,167.81/x
  3. Step 3: Cross multiply
    124,677,311.31x = 172,054,923.12 × 69,673,167.81
  4. Step 4: Simplify right side
    124,677,311.31x = 11,987,611,531,076,410
  5. Step 5: Solve for x
    x = 11,987,611,531,076,410/124,677,311.31
  6. Step 6: Final answer
    x = 96,149,102.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.