Finding the Fourth Proportional to 167,326,756.56, 230,916,531.11 and 92,990,449.71
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Solution
The fourth proportional to 167,326,756.56, 230,916,531.11 and 92,990,449.71 is: 128,329,936.67
Step by Step Solution
- Step 1: Write the proportion equation
167,326,756.56 : 230,916,531.11 = 92,990,449.71 : x - Step 2: Convert to fraction form
167,326,756.56/230,916,531.11 = 92,990,449.71/x - Step 3: Cross multiply
167,326,756.56x = 230,916,531.11 × 92,990,449.71 - Step 4: Simplify right side
167,326,756.56x = 21,473,032,072,927,152 - Step 5: Solve for x
x = 21,473,032,072,927,152/167,326,756.56 - Step 6: Final answer
x = 128,329,936.67
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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.