Finding the Fourth Proportional to 149,030,271.95, 205,626,594.79 and 125,278,203.83
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Solution
The fourth proportional to 149,030,271.95, 205,626,594.79 and 125,278,203.83 is: 172,854,347.76
Step by Step Solution
- Step 1: Write the proportion equation
149,030,271.95 : 205,626,594.79 = 125,278,203.83 : x - Step 2: Convert to fraction form
149,030,271.95/205,626,594.79 = 125,278,203.83/x - Step 3: Cross multiply
149,030,271.95x = 205,626,594.79 × 125,278,203.83 - Step 4: Simplify right side
149,030,271.95x = 25,760,530,454,970,436 - Step 5: Solve for x
x = 25,760,530,454,970,436/149,030,271.95 - Step 6: Final answer
x = 172,854,347.76
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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.