Finding the Fourth Proportional to 135,306,317.11, 186,722,839.71 and 73,426,656.28
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Solution
The fourth proportional to 135,306,317.11, 186,722,839.71 and 73,426,656.28 is: 101,328,851.93
Step by Step Solution
- Step 1: Write the proportion equation
135,306,317.11 : 186,722,839.71 = 73,426,656.28 : x - Step 2: Convert to fraction form
135,306,317.11/186,722,839.71 = 73,426,656.28/x - Step 3: Cross multiply
135,306,317.11x = 186,722,839.71 × 73,426,656.28 - Step 4: Simplify right side
135,306,317.11x = 13,710,433,771,011,706 - Step 5: Solve for x
x = 13,710,433,771,011,706/135,306,317.11 - Step 6: Final answer
x = 101,328,851.93
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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.