Home / 85,553,770.62-118,070,544.82-47,880,709.86

Finding the Fourth Proportional to 85,553,770.62, 118,070,544.82 and 47,880,709.86

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Solution

The fourth proportional to 85,553,770.62, 118,070,544.82 and 47,880,709.86 is: 66,078,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,553,770.62 : 118,070,544.82 = 47,880,709.86 : x
  2. Step 2: Convert to fraction form
    85,553,770.62/118,070,544.82 = 47,880,709.86/x
  3. Step 3: Cross multiply
    85,553,770.62x = 118,070,544.82 × 47,880,709.86
  4. Step 4: Simplify right side
    85,553,770.62x = 5,653,301,499,538,546
  5. Step 5: Solve for x
    x = 5,653,301,499,538,546/85,553,770.62
  6. Step 6: Final answer
    x = 66,078,928.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.