Finding the Fourth Proportional to 99,660,078.40, 149,490,117.60 and 97,644,539.20
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Solution
The fourth proportional to 99,660,078.40, 149,490,117.60 and 97,644,539.20 is: 146,466,808.80
Step by Step Solution
- Step 1: Write the proportion equation
99,660,078.40 : 149,490,117.60 = 97,644,539.20 : x - Step 2: Convert to fraction form
99,660,078.40/149,490,117.60 = 97,644,539.20/x - Step 3: Cross multiply
99,660,078.40x = 149,490,117.60 × 97,644,539.20 - Step 4: Simplify right side
99,660,078.40x = 14,596,893,648,005,810 - Step 5: Solve for x
x = 14,596,893,648,005,810/99,660,078.40 - Step 6: Final answer
x = 146,466,808.80
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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.