Finding the Fourth Proportional to 197,518,805.94, 272,670,471.03 and 131,549,088.18
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Solution
The fourth proportional to 197,518,805.94, 272,670,471.03 and 131,549,088.18 is: 181,600,691.98
Step by Step Solution
- Step 1: Write the proportion equation
197,518,805.94 : 272,670,471.03 = 131,549,088.18 : x - Step 2: Convert to fraction form
197,518,805.94/272,670,471.03 = 131,549,088.18/x - Step 3: Cross multiply
197,518,805.94x = 272,670,471.03 × 131,549,088.18 - Step 4: Simplify right side
197,518,805.94x = 35,869,551,837,607,604 - Step 5: Solve for x
x = 35,869,551,837,607,604/197,518,805.94 - Step 6: Final answer
x = 181,600,691.98
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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.