Home / 179,878,131.41-269,776,407.08-81,444,857.11

Finding the Fourth Proportional to 179,878,131.41, 269,776,407.08 and 81,444,857.11

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Solution

The fourth proportional to 179,878,131.41, 269,776,407.08 and 81,444,857.11 is: 122,148,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878,131.41 : 269,776,407.08 = 81,444,857.11 : x
  2. Step 2: Convert to fraction form
    179,878,131.41/269,776,407.08 = 81,444,857.11/x
  3. Step 3: Cross multiply
    179,878,131.41x = 269,776,407.08 × 81,444,857.11
  4. Step 4: Simplify right side
    179,878,131.41x = 21,971,900,925,808,964
  5. Step 5: Solve for x
    x = 21,971,900,925,808,964/179,878,131.41
  6. Step 6: Final answer
    x = 122,148,816.84

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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.