Finding the Fourth Proportional to 118,482,428,581.98, 177,723,163,639.26 and 42,917,894,788.20
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Solution
The fourth proportional to 118,482,428,581.98, 177,723,163,639.26 and 42,917,894,788.20 is: 64,376,668,589.45
Step by Step Solution
- Step 1: Write the proportion equation
118,482,428,581.98 : 177,723,163,639.26 = 42,917,894,788.20 : x - Step 2: Convert to fraction form
118,482,428,581.98/177,723,163,639.26 = 42,917,894,788.20/x - Step 3: Cross multiply
118,482,428,581.98x = 177,723,163,639.26 × 42,917,894,788.20 - Step 4: Simplify right side
118,482,428,581.98x = 7,627,504,038,495,812,321,280 - Step 5: Solve for x
x = 7,627,504,038,495,812,321,280/118,482,428,581.98 - Step 6: Final answer
x = 64,376,668,589.45
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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.