Finding the Fourth Proportional to 97,928,598.23, 135,141,464.70 and 53,874,651.65
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Solution
The fourth proportional to 97,928,598.23, 135,141,464.70 and 53,874,651.65 is: 74,347,018.80
Step by Step Solution
- Step 1: Write the proportion equation
97,928,598.23 : 135,141,464.70 = 53,874,651.65 : x - Step 2: Convert to fraction form
97,928,598.23/135,141,464.70 = 53,874,651.65/x - Step 3: Cross multiply
97,928,598.23x = 135,141,464.70 × 53,874,651.65 - Step 4: Simplify right side
97,928,598.23x = 7,280,699,333,507,564 - Step 5: Solve for x
x = 7,280,699,333,507,564/97,928,598.23 - Step 6: Final answer
x = 74,347,018.80
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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.