Finding the Fourth Proportional to 71,445,052.35, 107,032,356.05 and 42,211,467.63
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Solution
The fourth proportional to 71,445,052.35, 107,032,356.05 and 42,211,467.63 is: 63,237,308.73
Step by Step Solution
- Step 1: Write the proportion equation
71,445,052.35 : 107,032,356.05 = 42,211,467.63 : x - Step 2: Convert to fraction form
71,445,052.35/107,032,356.05 = 42,211,467.63/x - Step 3: Cross multiply
71,445,052.35x = 107,032,356.05 × 42,211,467.63 - Step 4: Simplify right side
71,445,052.35x = 4,517,992,832,556,153 - Step 5: Solve for x
x = 4,517,992,832,556,153/71,445,052.35 - Step 6: Final answer
x = 63,237,308.73
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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.