Finding the Fourth Proportional to 98,110,713.34, 135,395,851.35 and 56,302,427.26
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Solution
The fourth proportional to 98,110,713.34, 135,395,851.35 and 56,302,427.26 is: 77,699,109.63
Step by Step Solution
- Step 1: Write the proportion equation
98,110,713.34 : 135,395,851.35 = 56,302,427.26 : x - Step 2: Convert to fraction form
98,110,713.34/135,395,851.35 = 56,302,427.26/x - Step 3: Cross multiply
98,110,713.34x = 135,395,851.35 × 56,302,427.26 - Step 4: Simplify right side
98,110,713.34x = 7,623,115,071,939,147 - Step 5: Solve for x
x = 7,623,115,071,939,147/98,110,713.34 - Step 6: Final answer
x = 77,699,109.63
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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.