Home / 47,411,990.40-71,117,985.60-46,656,163.20

Finding the Fourth Proportional to 47,411,990.40, 71,117,985.60 and 46,656,163.20

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Solution

The fourth proportional to 47,411,990.40, 71,117,985.60 and 46,656,163.20 is: 69,984,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,411,990.40 : 71,117,985.60 = 46,656,163.20 : x
  2. Step 2: Convert to fraction form
    47,411,990.40/71,117,985.60 = 46,656,163.20/x
  3. Step 3: Cross multiply
    47,411,990.40x = 71,117,985.60 × 46,656,163.20
  4. Step 4: Simplify right side
    47,411,990.40x = 3,318,092,342,608,850
  5. Step 5: Solve for x
    x = 3,318,092,342,608,850/47,411,990.40
  6. Step 6: Final answer
    x = 69,984,244.80

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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.