Finding the Fourth Proportional to 236,121,108.18, 354,289,279.08 and 121,186,363.12
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Solution
The fourth proportional to 236,121,108.18, 354,289,279.08 and 121,186,363.12 is: 181,834,777.73
Step by Step Solution
- Step 1: Write the proportion equation
236,121,108.18 : 354,289,279.08 = 121,186,363.12 : x - Step 2: Convert to fraction form
236,121,108.18/354,289,279.08 = 121,186,363.12/x - Step 3: Cross multiply
236,121,108.18x = 354,289,279.08 × 121,186,363.12 - Step 4: Simplify right side
236,121,108.18x = 42,935,029,224,111,896 - Step 5: Solve for x
x = 42,935,029,224,111,896/236,121,108.18 - Step 6: Final answer
x = 181,834,777.73
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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.