Finding the Fourth Proportional to 97,758,817.60, 146,732,704.80 and 49,291,398.40
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Solution
The fourth proportional to 97,758,817.60, 146,732,704.80 and 49,291,398.40 is: 73,984,734.96
Step by Step Solution
- Step 1: Write the proportion equation
97,758,817.60 : 146,732,704.80 = 49,291,398.40 : x - Step 2: Convert to fraction form
97,758,817.60/146,732,704.80 = 49,291,398.40/x - Step 3: Cross multiply
97,758,817.60x = 146,732,704.80 × 49,291,398.40 - Step 4: Simplify right side
97,758,817.60x = 7,232,660,210,606,393 - Step 5: Solve for x
x = 7,232,660,210,606,393/97,758,817.60 - Step 6: Final answer
x = 73,984,734.96
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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.