Finding the Fourth Proportional to 93,691,636,897.78, 129,294,458,918.99 and 53,593,616,286.28
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Solution
The fourth proportional to 93,691,636,897.78, 129,294,458,918.99 and 53,593,616,286.28 is: 73,959,190,475.10
Step by Step Solution
- Step 1: Write the proportion equation
93,691,636,897.78 : 129,294,458,918.99 = 53,593,616,286.28 : x - Step 2: Convert to fraction form
93,691,636,897.78/129,294,458,918.99 = 53,593,616,286.28/x - Step 3: Cross multiply
93,691,636,897.78x = 129,294,458,918.99 × 53,593,616,286.28 - Step 4: Simplify right side
93,691,636,897.78x = 6,929,357,619,246,801,092,608 - Step 5: Solve for x
x = 6,929,357,619,246,801,092,608/93,691,636,897.78 - Step 6: Final answer
x = 73,959,190,475.10
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1.5x scale
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.