Finding the Fourth Proportional to 114,492,639.98, 157,999,723.60 and 62,281,551.10
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Solution
The fourth proportional to 114,492,639.98, 157,999,723.60 and 62,281,551.10 is: 85,948,475.47
Step by Step Solution
- Step 1: Write the proportion equation
114,492,639.98 : 157,999,723.60 = 62,281,551.10 : x - Step 2: Convert to fraction form
114,492,639.98/157,999,723.60 = 62,281,551.10/x - Step 3: Cross multiply
114,492,639.98x = 157,999,723.60 × 62,281,551.10 - Step 4: Simplify right side
114,492,639.98x = 9,840,467,859,179,276 - Step 5: Solve for x
x = 9,840,467,859,179,276/114,492,639.98 - Step 6: Final answer
x = 85,948,475.47
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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.