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Finding the Fourth Proportional to 55,271,300.94, 82,978,794.63 and 42,500,773.98

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Solution

The fourth proportional to 55,271,300.94, 82,978,794.63 and 42,500,773.98 is: 63,806,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271,300.94 : 82,978,794.63 = 42,500,773.98 : x
  2. Step 2: Convert to fraction form
    55,271,300.94/82,978,794.63 = 42,500,773.98/x
  3. Step 3: Cross multiply
    55,271,300.94x = 82,978,794.63 × 42,500,773.98
  4. Step 4: Simplify right side
    55,271,300.94x = 3,526,662,995,702,467.50
  5. Step 5: Solve for x
    x = 3,526,662,995,702,467.50/55,271,300.94
  6. Step 6: Final answer
    x = 63,806,404.69

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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.