Finding the Fourth Proportional to 74,074,242.36, 101,989,235.70 and 62,888,610.72
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Solution
The fourth proportional to 74,074,242.36, 101,989,235.70 and 62,888,610.72 is: 86,588,281.39
Step by Step Solution
- Step 1: Write the proportion equation
74,074,242.36 : 101,989,235.70 = 62,888,610.72 : x - Step 2: Convert to fraction form
74,074,242.36/101,989,235.70 = 62,888,610.72/x - Step 3: Cross multiply
74,074,242.36x = 101,989,235.70 × 62,888,610.72 - Step 4: Simplify right side
74,074,242.36x = 6,413,961,341,567,627 - Step 5: Solve for x
x = 6,413,961,341,567,627/74,074,242.36 - Step 6: Final answer
x = 86,588,281.39
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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.