Home / 228,381,431,615.20-315,147,898,381.50-132,043,699,065.15

Finding the Fourth Proportional to 228,381,431,615.20, 315,147,898,381.50 and 132,043,699,065.15

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Solution

The fourth proportional to 228,381,431,615.20, 315,147,898,381.50 and 132,043,699,065.15 is: 182,209,621,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,381,431,615.20 : 315,147,898,381.50 = 132,043,699,065.15 : x
  2. Step 2: Convert to fraction form
    228,381,431,615.20/315,147,898,381.50 = 132,043,699,065.15/x
  3. Step 3: Cross multiply
    228,381,431,615.20x = 315,147,898,381.50 × 132,043,699,065.15
  4. Step 4: Simplify right side
    228,381,431,615.20x = 41,613,294,254,901,258,354,688
  5. Step 5: Solve for x
    x = 41,613,294,254,901,258,354,688/228,381,431,615.20
  6. Step 6: Final answer
    x = 182,209,621,686.83

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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.