Home / 112,291,444.80-168,437,167.20-39,519,457.20

Finding the Fourth Proportional to 112,291,444.80, 168,437,167.20 and 39,519,457.20

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Solution

The fourth proportional to 112,291,444.80, 168,437,167.20 and 39,519,457.20 is: 59,279,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291,444.80 : 168,437,167.20 = 39,519,457.20 : x
  2. Step 2: Convert to fraction form
    112,291,444.80/168,437,167.20 = 39,519,457.20/x
  3. Step 3: Cross multiply
    112,291,444.80x = 168,437,167.20 × 39,519,457.20
  4. Step 4: Simplify right side
    112,291,444.80x = 6,656,545,420,049,644
  5. Step 5: Solve for x
    x = 6,656,545,420,049,644/112,291,444.80
  6. Step 6: Final answer
    x = 59,279,185.80

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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.