Finding the Fourth Proportional to 85,588,655.81, 118,112,345.03 and 48,920,014.13
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Solution
The fourth proportional to 85,588,655.81, 118,112,345.03 and 48,920,014.13 is: 67,509,619.50
Step by Step Solution
- Step 1: Write the proportion equation
85,588,655.81 : 118,112,345.03 = 48,920,014.13 : x - Step 2: Convert to fraction form
85,588,655.81/118,112,345.03 = 48,920,014.13/x - Step 3: Cross multiply
85,588,655.81x = 118,112,345.03 × 48,920,014.13 - Step 4: Simplify right side
85,588,655.81x = 5,778,057,587,845,716 - Step 5: Solve for x
x = 5,778,057,587,845,716/85,588,655.81 - Step 6: Final answer
x = 67,509,619.50
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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.