Home / 235,264,739.03-324,663,548.15-129,415,880.90

Finding the Fourth Proportional to 235,264,739.03, 324,663,548.15 and 129,415,880.90

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Solution

The fourth proportional to 235,264,739.03, 324,663,548.15 and 129,415,880.90 is: 178,592,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,264,739.03 : 324,663,548.15 = 129,415,880.90 : x
  2. Step 2: Convert to fraction form
    235,264,739.03/324,663,548.15 = 129,415,880.90/x
  3. Step 3: Cross multiply
    235,264,739.03x = 324,663,548.15 × 129,415,880.90
  4. Step 4: Simplify right side
    235,264,739.03x = 42,016,619,078,652,032
  5. Step 5: Solve for x
    x = 42,016,619,078,652,032/235,264,739.03
  6. Step 6: Final answer
    x = 178,592,930.04

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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.