Finding the Fourth Proportional to 207,549,302.63, 286,421,440.44 and 123,924,740.84
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Solution
The fourth proportional to 207,549,302.63, 286,421,440.44 and 123,924,740.84 is: 171,018,174.12
Step by Step Solution
- Step 1: Write the proportion equation
207,549,302.63 : 286,421,440.44 = 123,924,740.84 : x - Step 2: Convert to fraction form
207,549,302.63/286,421,440.44 = 123,924,740.84/x - Step 3: Cross multiply
207,549,302.63x = 286,421,440.44 × 123,924,740.84 - Step 4: Simplify right side
207,549,302.63x = 35,494,702,776,421,124 - Step 5: Solve for x
x = 35,494,702,776,421,124/207,549,302.63 - Step 6: Final answer
x = 171,018,174.12
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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.