Finding the Fourth Proportional to 90,081,305.47, 124,308,869.97 and 48,827,312.11
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Solution
The fourth proportional to 90,081,305.47, 124,308,869.97 and 48,827,312.11 is: 67,379,884.88
Step by Step Solution
- Step 1: Write the proportion equation
90,081,305.47 : 124,308,869.97 = 48,827,312.11 : x - Step 2: Convert to fraction form
90,081,305.47/124,308,869.97 = 48,827,312.11/x - Step 3: Cross multiply
90,081,305.47x = 124,308,869.97 × 48,827,312.11 - Step 4: Simplify right side
90,081,305.47x = 6,069,667,992,066,596 - Step 5: Solve for x
x = 6,069,667,992,066,596/90,081,305.47 - Step 6: Final answer
x = 67,379,884.88
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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.