Finding the Fourth Proportional to 331,039,259.12, 456,848,351.16 and 184,361,543.12
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Solution
The fourth proportional to 331,039,259.12, 456,848,351.16 and 184,361,543.12 is: 254,426,823.02
Step by Step Solution
- Step 1: Write the proportion equation
331,039,259.12 : 456,848,351.16 = 184,361,543.12 : x - Step 2: Convert to fraction form
331,039,259.12/456,848,351.16 = 184,361,543.12/x - Step 3: Cross multiply
331,039,259.12x = 456,848,351.16 × 184,361,543.12 - Step 4: Simplify right side
331,039,259.12x = 84,225,266,991,685,248 - Step 5: Solve for x
x = 84,225,266,991,685,248/331,039,259.12 - Step 6: Final answer
x = 254,426,823.02
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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.