Finding the Fourth Proportional to 69,891,387.01, 96,450,405.38 and 38,528,747.00
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Solution
The fourth proportional to 69,891,387.01, 96,450,405.38 and 38,528,747.00 is: 53,169,831.44
Step by Step Solution
- Step 1: Write the proportion equation
69,891,387.01 : 96,450,405.38 = 38,528,747.00 : x - Step 2: Convert to fraction form
69,891,387.01/96,450,405.38 = 38,528,747.00/x - Step 3: Cross multiply
69,891,387.01x = 96,450,405.38 × 38,528,747.00 - Step 4: Simplify right side
69,891,387.01x = 3,716,113,266,547,528 - Step 5: Solve for x
x = 3,716,113,266,547,528/69,891,387.01 - Step 6: Final answer
x = 53,169,831.44
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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.