Finding the Fourth Proportional to 63,253,643.58, 94,888,143.12 and 17,815,438.08
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Solution
The fourth proportional to 63,253,643.58, 94,888,143.12 and 17,815,438.08 is: 26,725,319.56
Step by Step Solution
- Step 1: Write the proportion equation
63,253,643.58 : 94,888,143.12 = 17,815,438.08 : x - Step 2: Convert to fraction form
63,253,643.58/94,888,143.12 = 17,815,438.08/x - Step 3: Cross multiply
63,253,643.58x = 94,888,143.12 × 17,815,438.08 - Step 4: Simplify right side
63,253,643.58x = 1,690,473,838,280,538 - Step 5: Solve for x
x = 1,690,473,838,280,538/63,253,643.58 - Step 6: Final answer
x = 26,725,319.56
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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.