Finding the Fourth Proportional to 157,465,345.65, 236,114,037.68 and 66,486,145.65
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Solution
The fourth proportional to 157,465,345.65, 236,114,037.68 and 66,486,145.65 is: 99,693,759.50
Step by Step Solution
- Step 1: Write the proportion equation
157,465,345.65 : 236,114,037.68 = 66,486,145.65 : x - Step 2: Convert to fraction form
157,465,345.65/236,114,037.68 = 66,486,145.65/x - Step 3: Cross multiply
157,465,345.65x = 236,114,037.68 × 66,486,145.65 - Step 4: Simplify right side
157,465,345.65x = 15,698,312,298,869,638 - Step 5: Solve for x
x = 15,698,312,298,869,638/157,465,345.65 - Step 6: Final answer
x = 99,693,759.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.