Finding the Fourth Proportional to 233,738,320.68, 322,662,199.14 and 139,685,656.68
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Solution
The fourth proportional to 233,738,320.68, 322,662,199.14 and 139,685,656.68 is: 192,827,949.83
Step by Step Solution
- Step 1: Write the proportion equation
233,738,320.68 : 322,662,199.14 = 139,685,656.68 : x - Step 2: Convert to fraction form
233,738,320.68/322,662,199.14 = 139,685,656.68/x - Step 3: Cross multiply
233,738,320.68x = 322,662,199.14 × 139,685,656.68 - Step 4: Simplify right side
233,738,320.68x = 45,071,281,172,683,832 - Step 5: Solve for x
x = 45,071,281,172,683,832/233,738,320.68 - Step 6: Final answer
x = 192,827,949.83
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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.