Finding the Fourth Proportional to 199,348,625.60, 299,078,925.60 and 97,115,998.40
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Solution
The fourth proportional to 199,348,625.60, 299,078,925.60 and 97,115,998.40 is: 145,701,272.70
Step by Step Solution
- Step 1: Write the proportion equation
199,348,625.60 : 299,078,925.60 = 97,115,998.40 : x - Step 2: Convert to fraction form
199,348,625.60/299,078,925.60 = 97,115,998.40/x - Step 3: Cross multiply
199,348,625.60x = 299,078,925.60 × 97,115,998.40 - Step 4: Simplify right side
199,348,625.60x = 29,045,348,460,043,324 - Step 5: Solve for x
x = 29,045,348,460,043,324/199,348,625.60 - Step 6: Final answer
x = 145,701,272.70
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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.