Home / 57,970,872.75-79,999,332.83-31,865,113.02

Finding the Fourth Proportional to 57,970,872.75, 79,999,332.83 and 31,865,113.02

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Solution

The fourth proportional to 57,970,872.75, 79,999,332.83 and 31,865,113.02 is: 43,973,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970,872.75 : 79,999,332.83 = 31,865,113.02 : x
  2. Step 2: Convert to fraction form
    57,970,872.75/79,999,332.83 = 31,865,113.02/x
  3. Step 3: Cross multiply
    57,970,872.75x = 79,999,332.83 × 31,865,113.02
  4. Step 4: Simplify right side
    57,970,872.75x = 2,549,187,782,591,953.50
  5. Step 5: Solve for x
    x = 2,549,187,782,591,953.50/57,970,872.75
  6. Step 6: Final answer
    x = 43,973,596.77

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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.