Home / 260,927,876.48-360,080,700.36-143,455,205.12

Finding the Fourth Proportional to 260,927,876.48, 360,080,700.36 and 143,455,205.12

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Solution

The fourth proportional to 260,927,876.48, 360,080,700.36 and 143,455,205.12 is: 197,968,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,927,876.48 : 360,080,700.36 = 143,455,205.12 : x
  2. Step 2: Convert to fraction form
    260,927,876.48/360,080,700.36 = 143,455,205.12/x
  3. Step 3: Cross multiply
    260,927,876.48x = 360,080,700.36 × 143,455,205.12
  4. Step 4: Simplify right side
    260,927,876.48x = 51,655,450,729,897,064
  5. Step 5: Solve for x
    x = 51,655,450,729,897,064/260,927,876.48
  6. Step 6: Final answer
    x = 197,968,309.97

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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.