Finding the Fourth Proportional to 69,986,897.03, 96,587,395.85 and 38,631,172.19
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Solution
The fourth proportional to 69,986,897.03, 96,587,395.85 and 38,631,172.19 is: 53,314,041.32
Step by Step Solution
- Step 1: Write the proportion equation
69,986,897.03 : 96,587,395.85 = 38,631,172.19 : x - Step 2: Convert to fraction form
69,986,897.03/96,587,395.85 = 38,631,172.19/x - Step 3: Cross multiply
69,986,897.03x = 96,587,395.85 × 38,631,172.19 - Step 4: Simplify right side
69,986,897.03x = 3,731,284,320,078,683 - Step 5: Solve for x
x = 3,731,284,320,078,683/69,986,897.03 - Step 6: Final answer
x = 53,314,041.32
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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.