Finding the Fourth Proportional to 173,046,265.68, 238,549,428.36 and 131,721,180.24
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Solution
The fourth proportional to 173,046,265.68, 238,549,428.36 and 131,721,180.24 is: 181,581,567.94
Step by Step Solution
- Step 1: Write the proportion equation
173,046,265.68 : 238,549,428.36 = 131,721,180.24 : x - Step 2: Convert to fraction form
173,046,265.68/238,549,428.36 = 131,721,180.24/x - Step 3: Cross multiply
173,046,265.68x = 238,549,428.36 × 131,721,180.24 - Step 4: Simplify right side
173,046,265.68x = 31,422,012,249,156,528 - Step 5: Solve for x
x = 31,422,012,249,156,528/173,046,265.68 - Step 6: Final answer
x = 181,581,567.94
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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.