Home / 57,635,145-79,537,128.12-31,529,102.31

Finding the Fourth Proportional to 57,635,145, 79,537,128.12 and 31,529,102.31

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Solution

The fourth proportional to 57,635,145, 79,537,128.12 and 31,529,102.31 is: 43,510,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635,145 : 79,537,128.12 = 31,529,102.31 : x
  2. Step 2: Convert to fraction form
    57,635,145/79,537,128.12 = 31,529,102.31/x
  3. Step 3: Cross multiply
    57,635,145x = 79,537,128.12 × 31,529,102.31
  4. Step 4: Simplify right side
    57,635,145x = 2,507,734,249,939,058
  5. Step 5: Solve for x
    x = 2,507,734,249,939,058/57,635,145
  6. Step 6: Final answer
    x = 43,510,504.74

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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.