Home / 109,014,235.51-163,545,658.73-31,285,080.26

Finding the Fourth Proportional to 109,014,235.51, 163,545,658.73 and 31,285,080.26

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Solution

The fourth proportional to 109,014,235.51, 163,545,658.73 and 31,285,080.26 is: 46,934,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,014,235.51 : 163,545,658.73 = 31,285,080.26 : x
  2. Step 2: Convert to fraction form
    109,014,235.51/163,545,658.73 = 31,285,080.26/x
  3. Step 3: Cross multiply
    109,014,235.51x = 163,545,658.73 × 31,285,080.26
  4. Step 4: Simplify right side
    109,014,235.51x = 5,116,539,059,386,992
  5. Step 5: Solve for x
    x = 5,116,539,059,386,992/109,014,235.51
  6. Step 6: Final answer
    x = 46,934,595.61

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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.