Finding the Fourth Proportional to 277,062,232.48, 382,346,328.72 and 153,308,125.60
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Solution
The fourth proportional to 277,062,232.48, 382,346,328.72 and 153,308,125.60 is: 211,565,461.17
Step by Step Solution
- Step 1: Write the proportion equation
277,062,232.48 : 382,346,328.72 = 153,308,125.60 : x - Step 2: Convert to fraction form
277,062,232.48/382,346,328.72 = 153,308,125.60/x - Step 3: Cross multiply
277,062,232.48x = 382,346,328.72 × 153,308,125.60 - Step 4: Simplify right side
277,062,232.48x = 58,616,798,986,104,648 - Step 5: Solve for x
x = 58,616,798,986,104,648/277,062,232.48 - Step 6: Final answer
x = 211,565,461.17
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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.