Finding the Fourth Proportional to 89,134,271.91, 122,975,892.09 and 53,838,888.84
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Solution
The fourth proportional to 89,134,271.91, 122,975,892.09 and 53,838,888.84 is: 74,279,906.51
Step by Step Solution
- Step 1: Write the proportion equation
89,134,271.91 : 122,975,892.09 = 53,838,888.84 : x - Step 2: Convert to fraction form
89,134,271.91/122,975,892.09 = 53,838,888.84/x - Step 3: Cross multiply
89,134,271.91x = 122,975,892.09 × 53,838,888.84 - Step 4: Simplify right side
89,134,271.91x = 6,620,885,384,233,346 - Step 5: Solve for x
x = 6,620,885,384,233,346/89,134,271.91 - Step 6: Final answer
x = 74,279,906.51
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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.