Home / 103,206,528.96-142,425,033.44-56,796,782.88

Finding the Fourth Proportional to 103,206,528.96, 142,425,033.44 and 56,796,782.88

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Solution

The fourth proportional to 103,206,528.96, 142,425,033.44 and 56,796,782.88 is: 78,379,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206,528.96 : 142,425,033.44 = 56,796,782.88 : x
  2. Step 2: Convert to fraction form
    103,206,528.96/142,425,033.44 = 56,796,782.88/x
  3. Step 3: Cross multiply
    103,206,528.96x = 142,425,033.44 × 56,796,782.88
  4. Step 4: Simplify right side
    103,206,528.96x = 8,089,283,700,417,388
  5. Step 5: Solve for x
    x = 8,089,283,700,417,388/103,206,528.96
  6. Step 6: Final answer
    x = 78,379,573.29

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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.