Finding the Fourth Proportional to 117,252,246.30, 175,878,369.45 and 86,641,244.70
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Solution
The fourth proportional to 117,252,246.30, 175,878,369.45 and 86,641,244.70 is: 129,961,867.05
Step by Step Solution
- Step 1: Write the proportion equation
117,252,246.30 : 175,878,369.45 = 86,641,244.70 : x - Step 2: Convert to fraction form
117,252,246.30/175,878,369.45 = 86,641,244.70/x - Step 3: Cross multiply
117,252,246.30x = 175,878,369.45 × 86,641,244.70 - Step 4: Simplify right side
117,252,246.30x = 15,238,320,844,954,454 - Step 5: Solve for x
x = 15,238,320,844,954,454/117,252,246.30 - Step 6: Final answer
x = 129,961,867.05
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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.