Finding the Fourth Proportional to 153,160,377.93, 211,362,670.49 and 83,546,068.41
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Solution
The fourth proportional to 153,160,377.93, 211,362,670.49 and 83,546,068.41 is: 115,294,310.23
Step by Step Solution
- Step 1: Write the proportion equation
153,160,377.93 : 211,362,670.49 = 83,546,068.41 : x - Step 2: Convert to fraction form
153,160,377.93/211,362,670.49 = 83,546,068.41/x - Step 3: Cross multiply
153,160,377.93x = 211,362,670.49 × 83,546,068.41 - Step 4: Simplify right side
153,160,377.93x = 17,658,520,127,660,098 - Step 5: Solve for x
x = 17,658,520,127,660,098/153,160,377.93 - Step 6: Final answer
x = 115,294,310.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.