Finding the Fourth Proportional to 145,522,895.30, 218,314,669.35 and 48,508,741.70
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Solution
The fourth proportional to 145,522,895.30, 218,314,669.35 and 48,508,741.70 is: 72,773,221.58
Step by Step Solution
- Step 1: Write the proportion equation
145,522,895.30 : 218,314,669.35 = 48,508,741.70 : x - Step 2: Convert to fraction form
145,522,895.30/218,314,669.35 = 48,508,741.70/x - Step 3: Cross multiply
145,522,895.30x = 218,314,669.35 × 48,508,741.70 - Step 4: Simplify right side
145,522,895.30x = 10,590,169,904,820,058 - Step 5: Solve for x
x = 10,590,169,904,820,058/145,522,895.30 - Step 6: Final answer
x = 72,773,221.58
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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.