Finding the Fourth Proportional to 98,438,876.04, 135,847,074.41 and 54,386,888.04
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Solution
The fourth proportional to 98,438,876.04, 135,847,074.41 and 54,386,888.04 is: 75,054,693.06
Step by Step Solution
- Step 1: Write the proportion equation
98,438,876.04 : 135,847,074.41 = 54,386,888.04 : x - Step 2: Convert to fraction form
98,438,876.04/135,847,074.41 = 54,386,888.04/x - Step 3: Cross multiply
98,438,876.04x = 135,847,074.41 × 54,386,888.04 - Step 4: Simplify right side
98,438,876.04x = 7,388,299,626,430,235 - Step 5: Solve for x
x = 7,388,299,626,430,235/98,438,876.04 - Step 6: Final answer
x = 75,054,693.06
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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.