Home / 279,175,063.70-385,010,787.12-174,762,653.60

Finding the Fourth Proportional to 279,175,063.70, 385,010,787.12 and 174,762,653.60

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Solution

The fourth proportional to 279,175,063.70, 385,010,787.12 and 174,762,653.60 is: 241,015,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,175,063.70 : 385,010,787.12 = 174,762,653.60 : x
  2. Step 2: Convert to fraction form
    279,175,063.70/385,010,787.12 = 174,762,653.60/x
  3. Step 3: Cross multiply
    279,175,063.70x = 385,010,787.12 × 174,762,653.60
  4. Step 4: Simplify right side
    279,175,063.70x = 67,285,506,821,715,904
  5. Step 5: Solve for x
    x = 67,285,506,821,715,904/279,175,063.70
  6. Step 6: Final answer
    x = 241,015,461.52

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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.