Finding the Fourth Proportional to 122,994,663.41, 184,619,649.90 and 71,280,305.75
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Solution
The fourth proportional to 122,994,663.41, 184,619,649.90 and 71,280,305.75 is: 106,994,439.66
Step by Step Solution
- Step 1: Write the proportion equation
122,994,663.41 : 184,619,649.90 = 71,280,305.75 : x - Step 2: Convert to fraction form
122,994,663.41/184,619,649.90 = 71,280,305.75/x - Step 3: Cross multiply
122,994,663.41x = 184,619,649.90 × 71,280,305.75 - Step 4: Simplify right side
122,994,663.41x = 13,159,745,092,329,958 - Step 5: Solve for x
x = 13,159,745,092,329,958/122,994,663.41 - Step 6: Final answer
x = 106,994,439.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.