Home / 143,080,539.48-197,493,962.76-83,557,891.50

Finding the Fourth Proportional to 143,080,539.48, 197,493,962.76 and 83,557,891.50

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Solution

The fourth proportional to 143,080,539.48, 197,493,962.76 and 83,557,891.50 is: 115,334,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080,539.48 : 197,493,962.76 = 83,557,891.50 : x
  2. Step 2: Convert to fraction form
    143,080,539.48/197,493,962.76 = 83,557,891.50/x
  3. Step 3: Cross multiply
    143,080,539.48x = 197,493,962.76 × 83,557,891.50
  4. Step 4: Simplify right side
    143,080,539.48x = 16,502,179,112,205,120
  5. Step 5: Solve for x
    x = 16,502,179,112,205,120/143,080,539.48
  6. Step 6: Final answer
    x = 115,334,895.80

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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.