Home / 57,999,190.95-86,980,178.72-19,128,904.27

Finding the Fourth Proportional to 57,999,190.95, 86,980,178.72 and 19,128,904.27

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Solution

The fourth proportional to 57,999,190.95, 86,980,178.72 and 19,128,904.27 is: 28,687,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999,190.95 : 86,980,178.72 = 19,128,904.27 : x
  2. Step 2: Convert to fraction form
    57,999,190.95/86,980,178.72 = 19,128,904.27/x
  3. Step 3: Cross multiply
    57,999,190.95x = 86,980,178.72 × 19,128,904.27
  4. Step 4: Simplify right side
    57,999,190.95x = 1,663,835,511,952,742.75
  5. Step 5: Solve for x
    x = 1,663,835,511,952,742.75/57,999,190.95
  6. Step 6: Final answer
    x = 28,687,219.33

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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.