Finding the Fourth Proportional to 186,248,560.91, 257,030,943.24 and 103,742,382.11
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Solution
The fourth proportional to 186,248,560.91, 257,030,943.24 and 103,742,382.11 is: 143,168,903.94
Step by Step Solution
- Step 1: Write the proportion equation
186,248,560.91 : 257,030,943.24 = 103,742,382.11 : x - Step 2: Convert to fraction form
186,248,560.91/257,030,943.24 = 103,742,382.11/x - Step 3: Cross multiply
186,248,560.91x = 257,030,943.24 × 103,742,382.11 - Step 4: Simplify right side
186,248,560.91x = 26,665,002,325,893,936 - Step 5: Solve for x
x = 26,665,002,325,893,936/186,248,560.91 - Step 6: Final answer
x = 143,168,903.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.