Finding the Fourth Proportional to 96,895,109,739.84, 133,709,672,569.28 and 54,072,231,689.28
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Solution
The fourth proportional to 96,895,109,739.84, 133,709,672,569.28 and 54,072,231,689.28 is: 74,616,566,446.71
Step by Step Solution
- Step 1: Write the proportion equation
96,895,109,739.84 : 133,709,672,569.28 = 54,072,231,689.28 : x - Step 2: Convert to fraction form
96,895,109,739.84/133,709,672,569.28 = 54,072,231,689.28/x - Step 3: Cross multiply
96,895,109,739.84x = 133,709,672,569.28 × 54,072,231,689.28 - Step 4: Simplify right side
96,895,109,739.84x = 7,229,980,394,263,874,109,440 - Step 5: Solve for x
x = 7,229,980,394,263,874,109,440/96,895,109,739.84 - Step 6: Final answer
x = 74,616,566,446.71
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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.