Home / 317,142,287.04-437,843,993.64-199,768,227.84

Finding the Fourth Proportional to 317,142,287.04, 437,843,993.64 and 199,768,227.84

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Solution

The fourth proportional to 317,142,287.04, 437,843,993.64 and 199,768,227.84 is: 275,798,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,142,287.04 : 437,843,993.64 = 199,768,227.84 : x
  2. Step 2: Convert to fraction form
    317,142,287.04/437,843,993.64 = 199,768,227.84/x
  3. Step 3: Cross multiply
    317,142,287.04x = 437,843,993.64 × 199,768,227.84
  4. Step 4: Simplify right side
    317,142,287.04x = 87,467,318,679,851,024
  5. Step 5: Solve for x
    x = 87,467,318,679,851,024/317,142,287.04
  6. Step 6: Final answer
    x = 275,798,347.47

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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.