Home / 66,530,342.40-99,795,513.60-48,614,438.40

Finding the Fourth Proportional to 66,530,342.40, 99,795,513.60 and 48,614,438.40

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Solution

The fourth proportional to 66,530,342.40, 99,795,513.60 and 48,614,438.40 is: 72,921,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530,342.40 : 99,795,513.60 = 48,614,438.40 : x
  2. Step 2: Convert to fraction form
    66,530,342.40/99,795,513.60 = 48,614,438.40/x
  3. Step 3: Cross multiply
    66,530,342.40x = 99,795,513.60 × 48,614,438.40
  4. Step 4: Simplify right side
    66,530,342.40x = 4,851,502,848,503,562
  5. Step 5: Solve for x
    x = 4,851,502,848,503,562/66,530,342.40
  6. Step 6: Final answer
    x = 72,921,657.60

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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.