Finding the Fourth Proportional to 76,666,548.36, 105,798,390.42 and 46,895,005.92
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Solution
The fourth proportional to 76,666,548.36, 105,798,390.42 and 46,895,005.92 is: 64,714,223.49
Step by Step Solution
- Step 1: Write the proportion equation
76,666,548.36 : 105,798,390.42 = 46,895,005.92 : x - Step 2: Convert to fraction form
76,666,548.36/105,798,390.42 = 46,895,005.92/x - Step 3: Cross multiply
76,666,548.36x = 105,798,390.42 × 46,895,005.92 - Step 4: Simplify right side
76,666,548.36x = 4,961,416,145,072,372 - Step 5: Solve for x
x = 4,961,416,145,072,372/76,666,548.36 - Step 6: Final answer
x = 64,714,223.49
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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.