Finding the Fourth Proportional to 69,077,318.51, 95,335,058.84 and 39,315,203.19
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Solution
The fourth proportional to 69,077,318.51, 95,335,058.84 and 39,315,203.19 is: 54,259,738.07
Step by Step Solution
- Step 1: Write the proportion equation
69,077,318.51 : 95,335,058.84 = 39,315,203.19 : x - Step 2: Convert to fraction form
69,077,318.51/95,335,058.84 = 39,315,203.19/x - Step 3: Cross multiply
69,077,318.51x = 95,335,058.84 × 39,315,203.19 - Step 4: Simplify right side
69,077,318.51x = 3,748,117,209,228,629 - Step 5: Solve for x
x = 3,748,117,209,228,629/69,077,318.51 - Step 6: Final answer
x = 54,259,738.07
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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.