Finding the Fourth Proportional to 66,470,129.98, 91,777,368 and 42,962,575.26
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Solution
The fourth proportional to 66,470,129.98, 91,777,368 and 42,962,575.26 is: 59,319,758.82
Step by Step Solution
- Step 1: Write the proportion equation
66,470,129.98 : 91,777,368 = 42,962,575.26 : x - Step 2: Convert to fraction form
66,470,129.98/91,777,368 = 42,962,575.26/x - Step 3: Cross multiply
66,470,129.98x = 91,777,368 × 42,962,575.26 - Step 4: Simplify right side
66,470,129.98x = 3,942,992,079,405,829 - Step 5: Solve for x
x = 3,942,992,079,405,829/66,470,129.98 - Step 6: Final answer
x = 59,319,758.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.