Home / 78,992,156.44-118,445,631.09-35,837,813.98

Finding the Fourth Proportional to 78,992,156.44, 118,445,631.09 and 35,837,813.98

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Solution

The fourth proportional to 78,992,156.44, 118,445,631.09 and 35,837,813.98 is: 53,737,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,992,156.44 : 118,445,631.09 = 35,837,813.98 : x
  2. Step 2: Convert to fraction form
    78,992,156.44/118,445,631.09 = 35,837,813.98/x
  3. Step 3: Cross multiply
    78,992,156.44x = 118,445,631.09 × 35,837,813.98
  4. Step 4: Simplify right side
    78,992,156.44x = 4,244,832,493,747,124.50
  5. Step 5: Solve for x
    x = 4,244,832,493,747,124.50/78,992,156.44
  6. Step 6: Final answer
    x = 53,737,392.23

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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.