Home / 78,724,961.10-118,087,441.65-44,287,584.30

Finding the Fourth Proportional to 78,724,961.10, 118,087,441.65 and 44,287,584.30

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Solution

The fourth proportional to 78,724,961.10, 118,087,441.65 and 44,287,584.30 is: 66,431,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,961.10 : 118,087,441.65 = 44,287,584.30 : x
  2. Step 2: Convert to fraction form
    78,724,961.10/118,087,441.65 = 44,287,584.30/x
  3. Step 3: Cross multiply
    78,724,961.10x = 118,087,441.65 × 44,287,584.30
  4. Step 4: Simplify right side
    78,724,961.10x = 5,229,807,526,845,706
  5. Step 5: Solve for x
    x = 5,229,807,526,845,706/78,724,961.10
  6. Step 6: Final answer
    x = 66,431,376.45

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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.