Finding the Fourth Proportional to 85,588,655.06, 118,112,343.99 and 48,920,013.38
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Solution
The fourth proportional to 85,588,655.06, 118,112,343.99 and 48,920,013.38 is: 67,509,618.47
Step by Step Solution
- Step 1: Write the proportion equation
85,588,655.06 : 118,112,343.99 = 48,920,013.38 : x - Step 2: Convert to fraction form
85,588,655.06/118,112,343.99 = 48,920,013.38/x - Step 3: Cross multiply
85,588,655.06x = 118,112,343.99 × 48,920,013.38 - Step 4: Simplify right side
85,588,655.06x = 5,778,057,448,445,793 - Step 5: Solve for x
x = 5,778,057,448,445,793/85,588,655.06 - Step 6: Final answer
x = 67,509,618.47
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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.