Finding the Fourth Proportional to 85,339,646.97, 117,768,712.94 and 46,181,423.71
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Solution
The fourth proportional to 85,339,646.97, 117,768,712.94 and 46,181,423.71 is: 63,730,364.79
Step by Step Solution
- Step 1: Write the proportion equation
85,339,646.97 : 117,768,712.94 = 46,181,423.71 : x - Step 2: Convert to fraction form
85,339,646.97/117,768,712.94 = 46,181,423.71/x - Step 3: Cross multiply
85,339,646.97x = 117,768,712.94 × 46,181,423.71 - Step 4: Simplify right side
85,339,646.97x = 5,438,726,832,063,500 - Step 5: Solve for x
x = 5,438,726,832,063,500/85,339,646.97 - Step 6: Final answer
x = 63,730,364.79
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1.5x scale
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.