Finding the Fourth Proportional to 314,929,140.60, 472,393,710.90 and 110,430,643.80
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Solution
The fourth proportional to 314,929,140.60, 472,393,710.90 and 110,430,643.80 is: 165,645,965.70
Step by Step Solution
- Step 1: Write the proportion equation
314,929,140.60 : 472,393,710.90 = 110,430,643.80 : x - Step 2: Convert to fraction form
314,929,140.60/472,393,710.90 = 110,430,643.80/x - Step 3: Cross multiply
314,929,140.60x = 472,393,710.90 × 110,430,643.80 - Step 4: Simplify right side
314,929,140.60x = 52,166,741,621,758,072 - Step 5: Solve for x
x = 52,166,741,621,758,072/314,929,140.60 - Step 6: Final answer
x = 165,645,965.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.