Finding the Fourth Proportional to 124,557,719.70, 186,836,579.55 and 66,444,646.35
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Solution
The fourth proportional to 124,557,719.70, 186,836,579.55 and 66,444,646.35 is: 99,666,969.53
Step by Step Solution
- Step 1: Write the proportion equation
124,557,719.70 : 186,836,579.55 = 66,444,646.35 : x - Step 2: Convert to fraction form
124,557,719.70/186,836,579.55 = 66,444,646.35/x - Step 3: Cross multiply
124,557,719.70x = 186,836,579.55 × 66,444,646.35 - Step 4: Simplify right side
124,557,719.70x = 12,414,290,453,443,394 - Step 5: Solve for x
x = 12,414,290,453,443,394/124,557,719.70 - Step 6: Final answer
x = 99,666,969.53
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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.