Home / 57,370,968.72-79,169,628.42-31,264,929.54

Finding the Fourth Proportional to 57,370,968.72, 79,169,628.42 and 31,264,929.54

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Solution

The fourth proportional to 57,370,968.72, 79,169,628.42 and 31,264,929.54 is: 43,144,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,968.72 : 79,169,628.42 = 31,264,929.54 : x
  2. Step 2: Convert to fraction form
    57,370,968.72/79,169,628.42 = 31,264,929.54/x
  3. Step 3: Cross multiply
    57,370,968.72x = 79,169,628.42 × 31,264,929.54
  4. Step 4: Simplify right side
    57,370,968.72x = 2,475,232,854,259,281.50
  5. Step 5: Solve for x
    x = 2,475,232,854,259,281.50/57,370,968.72
  6. Step 6: Final answer
    x = 43,144,344.77

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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.