Home / 179,878,136.91-269,776,415.31-81,444,862.63

Finding the Fourth Proportional to 179,878,136.91, 269,776,415.31 and 81,444,862.63

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Solution

The fourth proportional to 179,878,136.91, 269,776,415.31 and 81,444,862.63 is: 122,148,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878,136.91 : 269,776,415.31 = 81,444,862.63 : x
  2. Step 2: Convert to fraction form
    179,878,136.91/269,776,415.31 = 81,444,862.63/x
  3. Step 3: Cross multiply
    179,878,136.91x = 269,776,415.31 × 81,444,862.63
  4. Step 4: Simplify right side
    179,878,136.91x = 21,971,903,085,736,776
  5. Step 5: Solve for x
    x = 21,971,903,085,736,776/179,878,136.91
  6. Step 6: Final answer
    x = 122,148,825.11

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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.