Finding the Fourth Proportional to 49,549,460, 68,378,254.80 and 27,819,894.56
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Solution
The fourth proportional to 49,549,460, 68,378,254.80 and 27,819,894.56 is: 38,391,454.49
Step by Step Solution
- Step 1: Write the proportion equation
49,549,460 : 68,378,254.80 = 27,819,894.56 : x - Step 2: Convert to fraction form
49,549,460/68,378,254.80 = 27,819,894.56/x - Step 3: Cross multiply
49,549,460x = 68,378,254.80 × 27,819,894.56 - Step 4: Simplify right side
49,549,460x = 1,902,275,838,732,813.75 - Step 5: Solve for x
x = 1,902,275,838,732,813.75/49,549,460 - Step 6: Final answer
x = 38,391,454.49
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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.