Finding the Fourth Proportional to 292,113,131.68, 438,251,614.17 and 117,358,880.32
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Solution
The fourth proportional to 292,113,131.68, 438,251,614.17 and 117,358,880.32 is: 176,071,231.18
Step by Step Solution
- Step 1: Write the proportion equation
292,113,131.68 : 438,251,614.17 = 117,358,880.32 : x - Step 2: Convert to fraction form
292,113,131.68/438,251,614.17 = 117,358,880.32/x - Step 3: Cross multiply
292,113,131.68x = 438,251,614.17 × 117,358,880.32 - Step 4: Simplify right side
292,113,131.68x = 51,432,718,737,423,848 - Step 5: Solve for x
x = 51,432,718,737,423,848/292,113,131.68 - Step 6: Final answer
x = 176,071,231.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.