Home / 57,527,897.76-79,388,408.88-31,422,415.32

Finding the Fourth Proportional to 57,527,897.76, 79,388,408.88 and 31,422,415.32

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Solution

The fourth proportional to 57,527,897.76, 79,388,408.88 and 31,422,415.32 is: 43,362,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,527,897.76 : 79,388,408.88 = 31,422,415.32 : x
  2. Step 2: Convert to fraction form
    57,527,897.76/79,388,408.88 = 31,422,415.32/x
  3. Step 3: Cross multiply
    57,527,897.76x = 79,388,408.88 × 31,422,415.32
  4. Step 4: Simplify right side
    57,527,897.76x = 2,494,575,555,421,336
  5. Step 5: Solve for x
    x = 2,494,575,555,421,336/57,527,897.76
  6. Step 6: Final answer
    x = 43,362,883.97

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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.