Finding the Fourth Proportional to 88,766,844.16, 122,502,028.08 and 49,608,619.80
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Solution
The fourth proportional to 88,766,844.16, 122,502,028.08 and 49,608,619.80 is: 68,462,009.59
Step by Step Solution
- Step 1: Write the proportion equation
88,766,844.16 : 122,502,028.08 = 49,608,619.80 : x - Step 2: Convert to fraction form
88,766,844.16/122,502,028.08 = 49,608,619.80/x - Step 3: Cross multiply
88,766,844.16x = 122,502,028.08 × 49,608,619.80 - Step 4: Simplify right side
88,766,844.16x = 6,077,156,535,749,644 - Step 5: Solve for x
x = 6,077,156,535,749,644/88,766,844.16 - Step 6: Final answer
x = 68,462,009.59
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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.