Finding the Fourth Proportional to 73,845,152.20, 110,767,728.30 and 49,658,681.80
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Solution
The fourth proportional to 73,845,152.20, 110,767,728.30 and 49,658,681.80 is: 74,488,022.70
Step by Step Solution
- Step 1: Write the proportion equation
73,845,152.20 : 110,767,728.30 = 49,658,681.80 : x - Step 2: Convert to fraction form
73,845,152.20/110,767,728.30 = 49,658,681.80/x - Step 3: Cross multiply
73,845,152.20x = 110,767,728.30 × 49,658,681.80 - Step 4: Simplify right side
73,845,152.20x = 5,500,579,373,358,554 - Step 5: Solve for x
x = 5,500,579,373,358,554/73,845,152.20 - Step 6: Final answer
x = 74,488,022.70
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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.