Finding the Fourth Proportional to 85,680,681.15, 118,239,479.97 and 46,522,533.63
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Solution
The fourth proportional to 85,680,681.15, 118,239,479.97 and 46,522,533.63 is: 64,201,172.42
Step by Step Solution
- Step 1: Write the proportion equation
85,680,681.15 : 118,239,479.97 = 46,522,533.63 : x - Step 2: Convert to fraction form
85,680,681.15/118,239,479.97 = 46,522,533.63/x - Step 3: Cross multiply
85,680,681.15x = 118,239,479.97 × 46,522,533.63 - Step 4: Simplify right side
85,680,681.15x = 5,500,800,183,298,037 - Step 5: Solve for x
x = 5,500,800,183,298,037/85,680,681.15 - Step 6: Final answer
x = 64,201,172.42
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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.