Home / 57,802,967.85-79,770,395.60-31,698,421.91

Finding the Fourth Proportional to 57,802,967.85, 79,770,395.60 and 31,698,421.91

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Solution

The fourth proportional to 57,802,967.85, 79,770,395.60 and 31,698,421.91 is: 43,745,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802,967.85 : 79,770,395.60 = 31,698,421.91 : x
  2. Step 2: Convert to fraction form
    57,802,967.85/79,770,395.60 = 31,698,421.91/x
  3. Step 3: Cross multiply
    57,802,967.85x = 79,770,395.60 × 31,698,421.91
  4. Step 4: Simplify right side
    57,802,967.85x = 2,528,595,655,656,407.50
  5. Step 5: Solve for x
    x = 2,528,595,655,656,407.50/57,802,967.85
  6. Step 6: Final answer
    x = 43,745,083.51

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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.