Home / 57,550,980.33-79,421,421.63-31,447,188.90

Finding the Fourth Proportional to 57,550,980.33, 79,421,421.63 and 31,447,188.90

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Solution

The fourth proportional to 57,550,980.33, 79,421,421.63 and 31,447,188.90 is: 43,397,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550,980.33 : 79,421,421.63 = 31,447,188.90 : x
  2. Step 2: Convert to fraction form
    57,550,980.33/79,421,421.63 = 31,447,188.90/x
  3. Step 3: Cross multiply
    57,550,980.33x = 79,421,421.63 × 31,447,188.90
  4. Step 4: Simplify right side
    57,550,980.33x = 2,497,580,448,705,155.50
  5. Step 5: Solve for x
    x = 2,497,580,448,705,155.50/57,550,980.33
  6. Step 6: Final answer
    x = 43,397,704.69

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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.