Home / 57,970,872.07-79,999,331.89-31,865,112.34

Finding the Fourth Proportional to 57,970,872.07, 79,999,331.89 and 31,865,112.34

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Solution

The fourth proportional to 57,970,872.07, 79,999,331.89 and 31,865,112.34 is: 43,973,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970,872.07 : 79,999,331.89 = 31,865,112.34 : x
  2. Step 2: Convert to fraction form
    57,970,872.07/79,999,331.89 = 31,865,112.34/x
  3. Step 3: Cross multiply
    57,970,872.07x = 79,999,331.89 × 31,865,112.34
  4. Step 4: Simplify right side
    57,970,872.07x = 2,549,187,697,799,794.50
  5. Step 5: Solve for x
    x = 2,549,187,697,799,794.50/57,970,872.07
  6. Step 6: Final answer
    x = 43,973,595.82

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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.