Home / 57,357,919.24-79,152,928.86-31,252,651.72

Finding the Fourth Proportional to 57,357,919.24, 79,152,928.86 and 31,252,651.72

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Solution

The fourth proportional to 57,357,919.24, 79,152,928.86 and 31,252,651.72 is: 43,128,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,919.24 : 79,152,928.86 = 31,252,651.72 : x
  2. Step 2: Convert to fraction form
    57,357,919.24/79,152,928.86 = 31,252,651.72/x
  3. Step 3: Cross multiply
    57,357,919.24x = 79,152,928.86 × 31,252,651.72
  4. Step 4: Simplify right side
    57,357,919.24x = 2,473,738,918,279,516.50
  5. Step 5: Solve for x
    x = 2,473,738,918,279,516.50/57,357,919.24
  6. Step 6: Final answer
    x = 43,128,114.67

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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.