Home / 65,203,618.40-97,805,427.60-31,191,394.40

Finding the Fourth Proportional to 65,203,618.40, 97,805,427.60 and 31,191,394.40

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Solution

The fourth proportional to 65,203,618.40, 97,805,427.60 and 31,191,394.40 is: 46,787,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,618.40 : 97,805,427.60 = 31,191,394.40 : x
  2. Step 2: Convert to fraction form
    65,203,618.40/97,805,427.60 = 31,191,394.40/x
  3. Step 3: Cross multiply
    65,203,618.40x = 97,805,427.60 × 31,191,394.40
  4. Step 4: Simplify right side
    65,203,618.40x = 3,050,687,666,732,245
  5. Step 5: Solve for x
    x = 3,050,687,666,732,245/65,203,618.40
  6. Step 6: Final answer
    x = 46,787,091.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.