Home / 57,808,842.56-79,771,863.84-31,699,177.28

Finding the Fourth Proportional to 57,808,842.56, 79,771,863.84 and 31,699,177.28

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Solution

The fourth proportional to 57,808,842.56, 79,771,863.84 and 31,699,177.28 is: 43,742,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808,842.56 : 79,771,863.84 = 31,699,177.28 : x
  2. Step 2: Convert to fraction form
    57,808,842.56/79,771,863.84 = 31,699,177.28/x
  3. Step 3: Cross multiply
    57,808,842.56x = 79,771,863.84 × 31,699,177.28
  4. Step 4: Simplify right side
    57,808,842.56x = 2,528,702,453,820,182
  5. Step 5: Solve for x
    x = 2,528,702,453,820,182/57,808,842.56
  6. Step 6: Final answer
    x = 43,742,485.44

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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.