Home / 57,580,425.81-86,370,638.72-19,241,939.93

Finding the Fourth Proportional to 57,580,425.81, 86,370,638.72 and 19,241,939.93

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Solution

The fourth proportional to 57,580,425.81, 86,370,638.72 and 19,241,939.93 is: 28,862,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580,425.81 : 86,370,638.72 = 19,241,939.93 : x
  2. Step 2: Convert to fraction form
    57,580,425.81/86,370,638.72 = 19,241,939.93/x
  3. Step 3: Cross multiply
    57,580,425.81x = 86,370,638.72 × 19,241,939.93
  4. Step 4: Simplify right side
    57,580,425.81x = 1,661,938,641,437,909.25
  5. Step 5: Solve for x
    x = 1,661,938,641,437,909.25/57,580,425.81
  6. Step 6: Final answer
    x = 28,862,909.89

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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.