Finding the Fourth Proportional to 76,474,814.36, 114,600,946.95 and 47,266,292.12
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Solution
The fourth proportional to 76,474,814.36, 114,600,946.95 and 47,266,292.12 is: 70,830,663.41
Step by Step Solution
- Step 1: Write the proportion equation
76,474,814.36 : 114,600,946.95 = 47,266,292.12 : x - Step 2: Convert to fraction form
76,474,814.36/114,600,946.95 = 47,266,292.12/x - Step 3: Cross multiply
76,474,814.36x = 114,600,946.95 × 47,266,292.12 - Step 4: Simplify right side
76,474,814.36x = 5,416,761,835,194,319 - Step 5: Solve for x
x = 5,416,761,835,194,319/76,474,814.36 - Step 6: Final answer
x = 70,830,663.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.