Home / 57,526,957.92-86,290,759.46-19,188,366.78

Finding the Fourth Proportional to 57,526,957.92, 86,290,759.46 and 19,188,366.78

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Solution

The fourth proportional to 57,526,957.92, 86,290,759.46 and 19,188,366.78 is: 28,782,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,526,957.92 : 86,290,759.46 = 19,188,366.78 : x
  2. Step 2: Convert to fraction form
    57,526,957.92/86,290,759.46 = 19,188,366.78/x
  3. Step 3: Cross multiply
    57,526,957.92x = 86,290,759.46 × 19,188,366.78
  4. Step 4: Simplify right side
    57,526,957.92x = 1,655,778,742,291,205.75
  5. Step 5: Solve for x
    x = 1,655,778,742,291,205.75/57,526,957.92
  6. Step 6: Final answer
    x = 28,782,657.77

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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.