Home / 57,496,021.56-79,343,297.28-31,389,277.68

Finding the Fourth Proportional to 57,496,021.56, 79,343,297.28 and 31,389,277.68

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Solution

The fourth proportional to 57,496,021.56, 79,343,297.28 and 31,389,277.68 is: 43,316,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496,021.56 : 79,343,297.28 = 31,389,277.68 : x
  2. Step 2: Convert to fraction form
    57,496,021.56/79,343,297.28 = 31,389,277.68/x
  3. Step 3: Cross multiply
    57,496,021.56x = 79,343,297.28 × 31,389,277.68
  4. Step 4: Simplify right side
    57,496,021.56x = 2,490,528,790,368,708.50
  5. Step 5: Solve for x
    x = 2,490,528,790,368,708.50/57,496,021.56
  6. Step 6: Final answer
    x = 43,316,541.26

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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.