Finding the Fourth Proportional to 197,519,654, 272,671,641.36 and 131,549,936.24
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Solution
The fourth proportional to 197,519,654, 272,671,641.36 and 131,549,936.24 is: 181,601,862.44
Step by Step Solution
- Step 1: Write the proportion equation
197,519,654 : 272,671,641.36 = 131,549,936.24 : x - Step 2: Convert to fraction form
197,519,654/272,671,641.36 = 131,549,936.24/x - Step 3: Cross multiply
197,519,654x = 272,671,641.36 × 131,549,936.24 - Step 4: Simplify right side
197,519,654x = 35,869,937,035,364,148 - Step 5: Solve for x
x = 35,869,937,035,364,148/197,519,654 - Step 6: Final answer
x = 181,601,862.44
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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.