Finding the Fourth Proportional to 117,626,879.70, 176,440,319.55 and 69,127,967.70
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Solution
The fourth proportional to 117,626,879.70, 176,440,319.55 and 69,127,967.70 is: 103,691,951.55
Step by Step Solution
- Step 1: Write the proportion equation
117,626,879.70 : 176,440,319.55 = 69,127,967.70 : x - Step 2: Convert to fraction form
117,626,879.70/176,440,319.55 = 69,127,967.70/x - Step 3: Cross multiply
117,626,879.70x = 176,440,319.55 × 69,127,967.70 - Step 4: Simplify right side
117,626,879.70x = 12,196,960,710,830,080 - Step 5: Solve for x
x = 12,196,960,710,830,080/117,626,879.70 - Step 6: Final answer
x = 103,691,951.55
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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.