Finding the Fourth Proportional to 292,113,130.68, 438,251,612.67 and 117,358,879.32
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Solution
The fourth proportional to 292,113,130.68, 438,251,612.67 and 117,358,879.32 is: 176,071,229.68
Step by Step Solution
- Step 1: Write the proportion equation
292,113,130.68 : 438,251,612.67 = 117,358,879.32 : x - Step 2: Convert to fraction form
292,113,130.68/438,251,612.67 = 117,358,879.32/x - Step 3: Cross multiply
292,113,130.68x = 438,251,612.67 × 117,358,879.32 - Step 4: Simplify right side
292,113,130.68x = 51,432,718,123,133,912 - Step 5: Solve for x
x = 51,432,718,123,133,912/292,113,130.68 - Step 6: Final answer
x = 176,071,229.68
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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.