Finding the Fourth Proportional to 93,691,636,904.22, 129,294,458,927.81 and 53,593,616,292.72
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Solution
The fourth proportional to 93,691,636,904.22, 129,294,458,927.81 and 53,593,616,292.72 is: 73,959,190,483.95
Step by Step Solution
- Step 1: Write the proportion equation
93,691,636,904.22 : 129,294,458,927.81 = 53,593,616,292.72 : x - Step 2: Convert to fraction form
93,691,636,904.22/129,294,458,927.81 = 53,593,616,292.72/x - Step 3: Cross multiply
93,691,636,904.22x = 129,294,458,927.81 × 53,593,616,292.72 - Step 4: Simplify right side
93,691,636,904.22x = 6,929,357,620,551,894,433,792 - Step 5: Solve for x
x = 6,929,357,620,551,894,433,792/93,691,636,904.22 - Step 6: Final answer
x = 73,959,190,483.95
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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.