Home / 38,557,930.20-57,931,373.70-28,991,992.20

Finding the Fourth Proportional to 38,557,930.20, 57,931,373.70 and 28,991,992.20

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Solution

The fourth proportional to 38,557,930.20, 57,931,373.70 and 28,991,992.20 is: 43,559,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557,930.20 : 57,931,373.70 = 28,991,992.20 : x
  2. Step 2: Convert to fraction form
    38,557,930.20/57,931,373.70 = 28,991,992.20/x
  3. Step 3: Cross multiply
    38,557,930.20x = 57,931,373.70 × 28,991,992.20
  4. Step 4: Simplify right side
    38,557,930.20x = 1,679,545,934,445,685.25
  5. Step 5: Solve for x
    x = 1,679,545,934,445,685.25/38,557,930.20
  6. Step 6: Final answer
    x = 43,559,027.31

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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.