Home / 47,592,858.12-65,653,969.36-31,082,647.02

Finding the Fourth Proportional to 47,592,858.12, 65,653,969.36 and 31,082,647.02

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Solution

The fourth proportional to 47,592,858.12, 65,653,969.36 and 31,082,647.02 is: 42,878,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,592,858.12 : 65,653,969.36 = 31,082,647.02 : x
  2. Step 2: Convert to fraction form
    47,592,858.12/65,653,969.36 = 31,082,647.02/x
  3. Step 3: Cross multiply
    47,592,858.12x = 65,653,969.36 × 31,082,647.02
  4. Step 4: Simplify right side
    47,592,858.12x = 2,040,699,155,078,775.25
  5. Step 5: Solve for x
    x = 2,040,699,155,078,775.25/47,592,858.12
  6. Step 6: Final answer
    x = 42,878,264.42

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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.