Finding the Fourth Proportional to 98,299,509.06, 135,656,580.75 and 53,647,926.20
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Solution
The fourth proportional to 98,299,509.06, 135,656,580.75 and 53,647,926.20 is: 74,035,916.37
Step by Step Solution
- Step 1: Write the proportion equation
98,299,509.06 : 135,656,580.75 = 53,647,926.20 : x - Step 2: Convert to fraction form
98,299,509.06/135,656,580.75 = 53,647,926.20/x - Step 3: Cross multiply
98,299,509.06x = 135,656,580.75 × 53,647,926.20 - Step 4: Simplify right side
98,299,509.06x = 7,277,694,231,904,731 - Step 5: Solve for x
x = 7,277,694,231,904,731/98,299,509.06 - Step 6: Final answer
x = 74,035,916.37
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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.