Finding the Fourth Proportional to 83,166,416.06, 114,723,576.87 and 48,355,257.74
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Solution
The fourth proportional to 83,166,416.06, 114,723,576.87 and 48,355,257.74 is: 66,703,465.07
Step by Step Solution
- Step 1: Write the proportion equation
83,166,416.06 : 114,723,576.87 = 48,355,257.74 : x - Step 2: Convert to fraction form
83,166,416.06/114,723,576.87 = 48,355,257.74/x - Step 3: Cross multiply
83,166,416.06x = 114,723,576.87 × 48,355,257.74 - Step 4: Simplify right side
83,166,416.06x = 5,547,488,128,403,553 - Step 5: Solve for x
x = 5,547,488,128,403,553/83,166,416.06 - Step 6: Final answer
x = 66,703,465.07
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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.