Finding the Fourth Proportional to 97,805,906.10, 146,708,859.15 and 90,415,595.70
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Solution
The fourth proportional to 97,805,906.10, 146,708,859.15 and 90,415,595.70 is: 135,623,393.55
Step by Step Solution
- Step 1: Write the proportion equation
97,805,906.10 : 146,708,859.15 = 90,415,595.70 : x - Step 2: Convert to fraction form
97,805,906.10/146,708,859.15 = 90,415,595.70/x - Step 3: Cross multiply
97,805,906.10x = 146,708,859.15 × 90,415,595.70 - Step 4: Simplify right side
97,805,906.10x = 13,264,768,894,514,646 - Step 5: Solve for x
x = 13,264,768,894,514,646/97,805,906.10 - Step 6: Final answer
x = 135,623,393.55
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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.