Home / 251,266,420.37-346,742,687.72-139,754,862.47

Finding the Fourth Proportional to 251,266,420.37, 346,742,687.72 and 139,754,862.47

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Solution

The fourth proportional to 251,266,420.37, 346,742,687.72 and 139,754,862.47 is: 192,858,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266,420.37 : 346,742,687.72 = 139,754,862.47 : x
  2. Step 2: Convert to fraction form
    251,266,420.37/346,742,687.72 = 139,754,862.47/x
  3. Step 3: Cross multiply
    251,266,420.37x = 346,742,687.72 × 139,754,862.47
  4. Step 4: Simplify right side
    251,266,420.37x = 48,458,976,634,087,976
  5. Step 5: Solve for x
    x = 48,458,976,634,087,976/251,266,420.37
  6. Step 6: Final answer
    x = 192,858,944.55

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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.