Home / 179,878,126.30-269,776,399.43-81,444,852.02

Finding the Fourth Proportional to 179,878,126.30, 269,776,399.43 and 81,444,852.02

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Solution

The fourth proportional to 179,878,126.30, 269,776,399.43 and 81,444,852.02 is: 122,148,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878,126.30 : 269,776,399.43 = 81,444,852.02 : x
  2. Step 2: Convert to fraction form
    179,878,126.30/269,776,399.43 = 81,444,852.02/x
  3. Step 3: Cross multiply
    179,878,126.30x = 269,776,399.43 × 81,444,852.02
  4. Step 4: Simplify right side
    179,878,126.30x = 21,971,898,929,478,472
  5. Step 5: Solve for x
    x = 21,971,898,929,478,472/179,878,126.30
  6. Step 6: Final answer
    x = 122,148,809.21

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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.