Finding the Fourth Proportional to 189,688,083.36, 261,768,526.92 and 106,056,197.52
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Solution
The fourth proportional to 189,688,083.36, 261,768,526.92 and 106,056,197.52 is: 146,356,977.75
Step by Step Solution
- Step 1: Write the proportion equation
189,688,083.36 : 261,768,526.92 = 106,056,197.52 : x - Step 2: Convert to fraction form
189,688,083.36/261,768,526.92 = 106,056,197.52/x - Step 3: Cross multiply
189,688,083.36x = 261,768,526.92 × 106,056,197.52 - Step 4: Simplify right side
189,688,083.36x = 27,762,174,595,546,956 - Step 5: Solve for x
x = 27,762,174,595,546,956/189,688,083.36 - Step 6: Final answer
x = 146,356,977.75
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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.