Finding the Fourth Proportional to 99,649,830.70, 149,474,746.05 and 97,410,342.70
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Solution
The fourth proportional to 99,649,830.70, 149,474,746.05 and 97,410,342.70 is: 146,115,514.05
Step by Step Solution
- Step 1: Write the proportion equation
99,649,830.70 : 149,474,746.05 = 97,410,342.70 : x - Step 2: Convert to fraction form
99,649,830.70/149,474,746.05 = 97,410,342.70/x - Step 3: Cross multiply
99,649,830.70x = 149,474,746.05 × 97,410,342.70 - Step 4: Simplify right side
99,649,830.70x = 14,560,386,237,725,972 - Step 5: Solve for x
x = 14,560,386,237,725,972/99,649,830.70 - Step 6: Final answer
x = 146,115,514.05
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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.