Finding the Fourth Proportional to 70,727,960.36, 97,551,972.61 and 62,453,423.99
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Solution
The fourth proportional to 70,727,960.36, 97,551,972.61 and 62,453,423.99 is: 86,139,267.63
Step by Step Solution
- Step 1: Write the proportion equation
70,727,960.36 : 97,551,972.61 = 62,453,423.99 : x - Step 2: Convert to fraction form
70,727,960.36/97,551,972.61 = 62,453,423.99/x - Step 3: Cross multiply
70,727,960.36x = 97,551,972.61 × 62,453,423.99 - Step 4: Simplify right side
70,727,960.36x = 6,092,454,706,560,943 - Step 5: Solve for x
x = 6,092,454,706,560,943/70,727,960.36 - Step 6: Final answer
x = 86,139,267.63
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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.