Home / 140,205,543.49-210,120,323.75-109,118,736.15

Finding the Fourth Proportional to 140,205,543.49, 210,120,323.75 and 109,118,736.15

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Solution

The fourth proportional to 140,205,543.49, 210,120,323.75 and 109,118,736.15 is: 163,531,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,543.49 : 210,120,323.75 = 109,118,736.15 : x
  2. Step 2: Convert to fraction form
    140,205,543.49/210,120,323.75 = 109,118,736.15/x
  3. Step 3: Cross multiply
    140,205,543.49x = 210,120,323.75 × 109,118,736.15
  4. Step 4: Simplify right side
    140,205,543.49x = 22,928,064,167,028,828
  5. Step 5: Solve for x
    x = 22,928,064,167,028,828/140,205,543.49
  6. Step 6: Final answer
    x = 163,531,794.79

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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.