Finding the Fourth Proportional to 83,794,565.87, 125,709,940.20 and 25,506,801.79
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Solution
The fourth proportional to 83,794,565.87, 125,709,940.20 and 25,506,801.79 is: 38,265,709.66
Step by Step Solution
- Step 1: Write the proportion equation
83,794,565.87 : 125,709,940.20 = 25,506,801.79 : x - Step 2: Convert to fraction form
83,794,565.87/125,709,940.20 = 25,506,801.79/x - Step 3: Cross multiply
83,794,565.87x = 125,709,940.20 × 25,506,801.79 - Step 4: Simplify right side
83,794,565.87x = 3,206,458,528,202,647 - Step 5: Solve for x
x = 3,206,458,528,202,647/83,794,565.87 - Step 6: Final answer
x = 38,265,709.66
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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.