Home / 231,811,430.40-347,717,145.60-61,610,342.40

Finding the Fourth Proportional to 231,811,430.40, 347,717,145.60 and 61,610,342.40

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Solution

The fourth proportional to 231,811,430.40, 347,717,145.60 and 61,610,342.40 is: 92,415,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,811,430.40 : 347,717,145.60 = 61,610,342.40 : x
  2. Step 2: Convert to fraction form
    231,811,430.40/347,717,145.60 = 61,610,342.40/x
  3. Step 3: Cross multiply
    231,811,430.40x = 347,717,145.60 × 61,610,342.40
  4. Step 4: Simplify right side
    231,811,430.40x = 21,422,972,398,766,656
  5. Step 5: Solve for x
    x = 21,422,972,398,766,656/231,811,430.40
  6. Step 6: Final answer
    x = 92,415,513.60

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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.