Home / 57,580,420.31-86,370,630.46-19,241,934.42

Finding the Fourth Proportional to 57,580,420.31, 86,370,630.46 and 19,241,934.42

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Solution

The fourth proportional to 57,580,420.31, 86,370,630.46 and 19,241,934.42 is: 28,862,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580,420.31 : 86,370,630.46 = 19,241,934.42 : x
  2. Step 2: Convert to fraction form
    57,580,420.31/86,370,630.46 = 19,241,934.42/x
  3. Step 3: Cross multiply
    57,580,420.31x = 86,370,630.46 × 19,241,934.42
  4. Step 4: Simplify right side
    57,580,420.31x = 1,661,938,007,125,374.50
  5. Step 5: Solve for x
    x = 1,661,938,007,125,374.50/57,580,420.31
  6. Step 6: Final answer
    x = 28,862,901.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.