Finding the Fourth Proportional to 215,232,032.68, 297,017,418.16 and 117,445,203.88
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Solution
The fourth proportional to 215,232,032.68, 297,017,418.16 and 117,445,203.88 is: 162,072,860.61
Step by Step Solution
- Step 1: Write the proportion equation
215,232,032.68 : 297,017,418.16 = 117,445,203.88 : x - Step 2: Convert to fraction form
215,232,032.68/297,017,418.16 = 117,445,203.88/x - Step 3: Cross multiply
215,232,032.68x = 297,017,418.16 × 117,445,203.88 - Step 4: Simplify right side
215,232,032.68x = 34,883,271,231,712,416 - Step 5: Solve for x
x = 34,883,271,231,712,416/215,232,032.68 - Step 6: Final answer
x = 162,072,860.61
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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.