Home / 256,820,361.32-385,226,033.40-177,964,149.44

Finding the Fourth Proportional to 256,820,361.32, 385,226,033.40 and 177,964,149.44

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Solution

The fourth proportional to 256,820,361.32, 385,226,033.40 and 177,964,149.44 is: 266,943,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,820,361.32 : 385,226,033.40 = 177,964,149.44 : x
  2. Step 2: Convert to fraction form
    256,820,361.32/385,226,033.40 = 177,964,149.44/x
  3. Step 3: Cross multiply
    256,820,361.32x = 385,226,033.40 × 177,964,149.44
  4. Step 4: Simplify right side
    256,820,361.32x = 68,556,423,374,249,896
  5. Step 5: Solve for x
    x = 68,556,423,374,249,896/256,820,361.32
  6. Step 6: Final answer
    x = 266,943,099.93

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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.