Finding the Fourth Proportional to 97,567,973.97, 134,643,996.45 and 53,515,331.34
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Solution
The fourth proportional to 97,567,973.97, 134,643,996.45 and 53,515,331.34 is: 73,851,262.76
Step by Step Solution
- Step 1: Write the proportion equation
97,567,973.97 : 134,643,996.45 = 53,515,331.34 : x - Step 2: Convert to fraction form
97,567,973.97/134,643,996.45 = 53,515,331.34/x - Step 3: Cross multiply
97,567,973.97x = 134,643,996.45 × 53,515,331.34 - Step 4: Simplify right side
97,567,973.97x = 7,205,518,082,963,534 - Step 5: Solve for x
x = 7,205,518,082,963,534/97,567,973.97 - Step 6: Final answer
x = 73,851,262.76
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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.