Finding the Fourth Proportional to 68,741,925.95, 94,865,655.74 and 37,381,809.07
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Solution
The fourth proportional to 68,741,925.95, 94,865,655.74 and 37,381,809.07 is: 51,587,874.23
Step by Step Solution
- Step 1: Write the proportion equation
68,741,925.95 : 94,865,655.74 = 37,381,809.07 : x - Step 2: Convert to fraction form
68,741,925.95/94,865,655.74 = 37,381,809.07/x - Step 3: Cross multiply
68,741,925.95x = 94,865,655.74 × 37,381,809.07 - Step 4: Simplify right side
68,741,925.95x = 3,546,249,830,104,702.50 - Step 5: Solve for x
x = 3,546,249,830,104,702.50/68,741,925.95 - Step 6: Final answer
x = 51,587,874.23
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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.