Finding the Fourth Proportional to 153,693,442.77, 212,098,625.06 and 84,077,328.98
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Solution
The fourth proportional to 153,693,442.77, 212,098,625.06 and 84,077,328.98 is: 116,027,629.76
Step by Step Solution
- Step 1: Write the proportion equation
153,693,442.77 : 212,098,625.06 = 84,077,328.98 : x - Step 2: Convert to fraction form
153,693,442.77/212,098,625.06 = 84,077,328.98/x - Step 3: Cross multiply
153,693,442.77x = 212,098,625.06 × 84,077,328.98 - Step 4: Simplify right side
153,693,442.77x = 17,832,685,873,894,412 - Step 5: Solve for x
x = 17,832,685,873,894,412/153,693,442.77 - Step 6: Final answer
x = 116,027,629.76
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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.