Finding the Fourth Proportional to 76,024,321.12, 104,929,972.95 and 46,264,557.62
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Solution
The fourth proportional to 76,024,321.12, 104,929,972.95 and 46,264,557.62 is: 63,855,075.70
Step by Step Solution
- Step 1: Write the proportion equation
76,024,321.12 : 104,929,972.95 = 46,264,557.62 : x - Step 2: Convert to fraction form
76,024,321.12/104,929,972.95 = 46,264,557.62/x - Step 3: Cross multiply
76,024,321.12x = 104,929,972.95 × 46,264,557.62 - Step 4: Simplify right side
76,024,321.12x = 4,854,538,780,046,134 - Step 5: Solve for x
x = 4,854,538,780,046,134/76,024,321.12 - Step 6: Final answer
x = 63,855,075.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.