Finding the Fourth Proportional to 106,970,408.53, 160,224,996.48 and 72,235,808.81
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Solution
The fourth proportional to 106,970,408.53, 160,224,996.48 and 72,235,808.81 is: 108,197,980.84
Step by Step Solution
- Step 1: Write the proportion equation
106,970,408.53 : 160,224,996.48 = 72,235,808.81 : x - Step 2: Convert to fraction form
106,970,408.53/160,224,996.48 = 72,235,808.81/x - Step 3: Cross multiply
106,970,408.53x = 160,224,996.48 × 72,235,808.81 - Step 4: Simplify right side
106,970,408.53x = 11,573,982,211,841,358 - Step 5: Solve for x
x = 11,573,982,211,841,358/106,970,408.53 - Step 6: Final answer
x = 108,197,980.84
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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.