Finding the Fourth Proportional to 121,087,206,581.94, 181,588,748,518.26 and 67,386,292,097.49
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Solution
The fourth proportional to 121,087,206,581.94, 181,588,748,518.26 and 67,386,292,097.49 is: 101,056,030,564.13
Step by Step Solution
- Step 1: Write the proportion equation
121,087,206,581.94 : 181,588,748,518.26 = 67,386,292,097.49 : x - Step 2: Convert to fraction form
121,087,206,581.94/181,588,748,518.26 = 67,386,292,097.49/x - Step 3: Cross multiply
121,087,206,581.94x = 181,588,748,518.26 × 67,386,292,097.49 - Step 4: Simplify right side
121,087,206,581.94x = 12,236,592,449,269,123,776,512 - Step 5: Solve for x
x = 12,236,592,449,269,123,776,512/121,087,206,581.94 - Step 6: Final answer
x = 101,056,030,564.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.