Finding the Fourth Proportional to 269,411,158.17, 371,787,430.55 and 145,651,802.49
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Solution
The fourth proportional to 269,411,158.17, 371,787,430.55 and 145,651,802.49 is: 200,999,504.88
Step by Step Solution
- Step 1: Write the proportion equation
269,411,158.17 : 371,787,430.55 = 145,651,802.49 : x - Step 2: Convert to fraction form
269,411,158.17/371,787,430.55 = 145,651,802.49/x - Step 3: Cross multiply
269,411,158.17x = 371,787,430.55 × 145,651,802.49 - Step 4: Simplify right side
269,411,158.17x = 54,151,509,402,004,936 - Step 5: Solve for x
x = 54,151,509,402,004,936/269,411,158.17 - Step 6: Final answer
x = 200,999,504.88
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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.