Finding the Fourth Proportional to 79,752,965.94, 119,650,714.74 and 28,635,427.62
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Solution
The fourth proportional to 79,752,965.94, 119,650,714.74 and 28,635,427.62 is: 42,960,776.96
Step by Step Solution
- Step 1: Write the proportion equation
79,752,965.94 : 119,650,714.74 = 28,635,427.62 : x - Step 2: Convert to fraction form
79,752,965.94/119,650,714.74 = 28,635,427.62/x - Step 3: Cross multiply
79,752,965.94x = 119,650,714.74 × 28,635,427.62 - Step 4: Simplify right side
79,752,965.94x = 3,426,249,381,618,537 - Step 5: Solve for x
x = 3,426,249,381,618,537/79,752,965.94 - Step 6: Final answer
x = 42,960,776.96
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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.