Finding the Fourth Proportional to 98,165,090.16, 135,466,720.56 and 53,510,083.74
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Solution
The fourth proportional to 98,165,090.16, 135,466,720.56 and 53,510,083.74 is: 73,843,313.84
Step by Step Solution
- Step 1: Write the proportion equation
98,165,090.16 : 135,466,720.56 = 53,510,083.74 : x - Step 2: Convert to fraction form
98,165,090.16/135,466,720.56 = 53,510,083.74/x - Step 3: Cross multiply
98,165,090.16x = 135,466,720.56 × 53,510,083.74 - Step 4: Simplify right side
98,165,090.16x = 7,248,835,561,148,780 - Step 5: Solve for x
x = 7,248,835,561,148,780/98,165,090.16 - Step 6: Final answer
x = 73,843,313.84
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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.