Finding the Fourth Proportional to 77,588,177.88, 107,097,631.16 and 46,236,058.28
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Solution
The fourth proportional to 77,588,177.88, 107,097,631.16 and 46,236,058.28 is: 63,821,221.88
Step by Step Solution
- Step 1: Write the proportion equation
77,588,177.88 : 107,097,631.16 = 46,236,058.28 : x - Step 2: Convert to fraction form
77,588,177.88/107,097,631.16 = 46,236,058.28/x - Step 3: Cross multiply
77,588,177.88x = 107,097,631.16 × 46,236,058.28 - Step 4: Simplify right side
77,588,177.88x = 4,951,772,315,427,309 - Step 5: Solve for x
x = 4,951,772,315,427,309/77,588,177.88 - Step 6: Final answer
x = 63,821,221.88
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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.