Finding the Fourth Proportional to 197,519,593.96, 272,671,558.62 and 131,549,876.20
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Solution
The fourth proportional to 197,519,593.96, 272,671,558.62 and 131,549,876.20 is: 181,601,779.65
Step by Step Solution
- Step 1: Write the proportion equation
197,519,593.96 : 272,671,558.62 = 131,549,876.20 : x - Step 2: Convert to fraction form
197,519,593.96/272,671,558.62 = 131,549,876.20/x - Step 3: Cross multiply
197,519,593.96x = 272,671,558.62 × 131,549,876.20 - Step 4: Simplify right side
197,519,593.96x = 35,869,909,779,722,044 - Step 5: Solve for x
x = 35,869,909,779,722,044/197,519,593.96 - Step 6: Final answer
x = 181,601,779.65
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1.5x scale
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.