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Finding the Fourth Proportional to 59,894,448.40, 89,841,672.60 and 53,511,907.60

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Solution

The fourth proportional to 59,894,448.40, 89,841,672.60 and 53,511,907.60 is: 80,267,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,894,448.40 : 89,841,672.60 = 53,511,907.60 : x
  2. Step 2: Convert to fraction form
    59,894,448.40/89,841,672.60 = 53,511,907.60/x
  3. Step 3: Cross multiply
    59,894,448.40x = 89,841,672.60 × 53,511,907.60
  4. Step 4: Simplify right side
    59,894,448.40x = 4,807,599,282,800,652
  5. Step 5: Solve for x
    x = 4,807,599,282,800,652/59,894,448.40
  6. Step 6: Final answer
    x = 80,267,861.40

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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.