Home / 57,780,304.40-86,670,456.60-19,429,072.40

Finding the Fourth Proportional to 57,780,304.40, 86,670,456.60 and 19,429,072.40

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Solution

The fourth proportional to 57,780,304.40, 86,670,456.60 and 19,429,072.40 is: 29,143,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780,304.40 : 86,670,456.60 = 19,429,072.40 : x
  2. Step 2: Convert to fraction form
    57,780,304.40/86,670,456.60 = 19,429,072.40/x
  3. Step 3: Cross multiply
    57,780,304.40x = 86,670,456.60 × 19,429,072.40
  4. Step 4: Simplify right side
    57,780,304.40x = 1,683,926,576,222,457.50
  5. Step 5: Solve for x
    x = 1,683,926,576,222,457.50/57,780,304.40
  6. Step 6: Final answer
    x = 29,143,608.60

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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.