Home / 78,213,706.94-117,320,560.60-41,711,509.32

Finding the Fourth Proportional to 78,213,706.94, 117,320,560.60 and 41,711,509.32

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Solution

The fourth proportional to 78,213,706.94, 117,320,560.60 and 41,711,509.32 is: 62,567,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,213,706.94 : 117,320,560.60 = 41,711,509.32 : x
  2. Step 2: Convert to fraction form
    78,213,706.94/117,320,560.60 = 41,711,509.32/x
  3. Step 3: Cross multiply
    78,213,706.94x = 117,320,560.60 × 41,711,509.32
  4. Step 4: Simplify right side
    78,213,706.94x = 4,893,617,656,894,525
  5. Step 5: Solve for x
    x = 4,893,617,656,894,525/78,213,706.94
  6. Step 6: Final answer
    x = 62,567,264.08

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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.