Finding the Fourth Proportional to 215,181,888.68, 322,813,753.16 and 148,987,467.60
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Solution
The fourth proportional to 215,181,888.68, 322,813,753.16 and 148,987,467.60 is: 223,509,533.66
Step by Step Solution
- Step 1: Write the proportion equation
215,181,888.68 : 322,813,753.16 = 148,987,467.60 : x - Step 2: Convert to fraction form
215,181,888.68/322,813,753.16 = 148,987,467.60/x - Step 3: Cross multiply
215,181,888.68x = 322,813,753.16 × 148,987,467.60 - Step 4: Simplify right side
215,181,888.68x = 48,095,203,589,014,952 - Step 5: Solve for x
x = 48,095,203,589,014,952/215,181,888.68 - Step 6: Final answer
x = 223,509,533.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.