Finding the Fourth Proportional to 69,143,616.09, 95,417,994.33 and 38,203,564.95
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Solution
The fourth proportional to 69,143,616.09, 95,417,994.33 and 38,203,564.95 is: 52,720,811.41
Step by Step Solution
- Step 1: Write the proportion equation
69,143,616.09 : 95,417,994.33 = 38,203,564.95 : x - Step 2: Convert to fraction form
69,143,616.09/95,417,994.33 = 38,203,564.95/x - Step 3: Cross multiply
69,143,616.09x = 95,417,994.33 × 38,203,564.95 - Step 4: Simplify right side
69,143,616.09x = 3,645,307,543,784,887 - Step 5: Solve for x
x = 3,645,307,543,784,887/69,143,616.09 - Step 6: Final answer
x = 52,720,811.41
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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.