Finding the Fourth Proportional to 245,582,368.49, 368,191,948.55 and 148,516,496.66
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Solution
The fourth proportional to 245,582,368.49, 368,191,948.55 and 148,516,496.66 is: 222,664,919.44
Step by Step Solution
- Step 1: Write the proportion equation
245,582,368.49 : 368,191,948.55 = 148,516,496.66 : x - Step 2: Convert to fraction form
245,582,368.49/368,191,948.55 = 148,516,496.66/x - Step 3: Cross multiply
245,582,368.49x = 368,191,948.55 × 148,516,496.66 - Step 4: Simplify right side
245,582,368.49x = 54,682,578,294,481,424 - Step 5: Solve for x
x = 54,682,578,294,481,424/245,582,368.49 - Step 6: Final answer
x = 222,664,919.44
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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.