Home / 103,206,530.24-142,425,035.20-56,796,784.16

Finding the Fourth Proportional to 103,206,530.24, 142,425,035.20 and 56,796,784.16

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Solution

The fourth proportional to 103,206,530.24, 142,425,035.20 and 56,796,784.16 is: 78,379,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206,530.24 : 142,425,035.20 = 56,796,784.16 : x
  2. Step 2: Convert to fraction form
    103,206,530.24/142,425,035.20 = 56,796,784.16/x
  3. Step 3: Cross multiply
    103,206,530.24x = 142,425,035.20 × 56,796,784.16
  4. Step 4: Simplify right side
    103,206,530.24x = 8,089,283,983,234,801
  5. Step 5: Solve for x
    x = 8,089,283,983,234,801/103,206,530.24
  6. Step 6: Final answer
    x = 78,379,575.06

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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.