Finding the Fourth Proportional to 97,118,879.40, 145,678,319.10 and 97,118,879.40
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Solution
The fourth proportional to 97,118,879.40, 145,678,319.10 and 97,118,879.40 is: 145,678,319.10
Step by Step Solution
- Step 1: Write the proportion equation
97,118,879.40 : 145,678,319.10 = 97,118,879.40 : x - Step 2: Convert to fraction form
97,118,879.40/145,678,319.10 = 97,118,879.40/x - Step 3: Cross multiply
97,118,879.40x = 145,678,319.10 × 97,118,879.40 - Step 4: Simplify right side
97,118,879.40x = 14,148,115,103,867,616 - Step 5: Solve for x
x = 14,148,115,103,867,616/97,118,879.40 - Step 6: Final answer
x = 145,678,319.10
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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.