Finding the Fourth Proportional to 93,302,572.48, 128,783,159.74 and 54,156,960.72
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Solution
The fourth proportional to 93,302,572.48, 128,783,159.74 and 54,156,960.72 is: 74,751,470.81
Step by Step Solution
- Step 1: Write the proportion equation
93,302,572.48 : 128,783,159.74 = 54,156,960.72 : x - Step 2: Convert to fraction form
93,302,572.48/128,783,159.74 = 54,156,960.72/x - Step 3: Cross multiply
93,302,572.48x = 128,783,159.74 × 54,156,960.72 - Step 4: Simplify right side
93,302,572.48x = 6,974,504,522,657,358 - Step 5: Solve for x
x = 6,974,504,522,657,358/93,302,572.48 - Step 6: Final answer
x = 74,751,470.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.