Finding the Fourth Proportional to 115,193,364.84, 172,709,376.08 and 42,400,702.80
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Solution
The fourth proportional to 115,193,364.84, 172,709,376.08 and 42,400,702.80 is: 63,571,360.52
Step by Step Solution
- Step 1: Write the proportion equation
115,193,364.84 : 172,709,376.08 = 42,400,702.80 : x - Step 2: Convert to fraction form
115,193,364.84/172,709,376.08 = 42,400,702.80/x - Step 3: Cross multiply
115,193,364.84x = 172,709,376.08 × 42,400,702.80 - Step 4: Simplify right side
115,193,364.84x = 7,322,998,925,941,509 - Step 5: Solve for x
x = 7,322,998,925,941,509/115,193,364.84 - Step 6: Final answer
x = 63,571,360.52
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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.