Finding the Fourth Proportional to 119,622,202.31, 165,078,786.81 and 64,618,058.81
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Solution
The fourth proportional to 119,622,202.31, 165,078,786.81 and 64,618,058.81 is: 89,173,000.90
Step by Step Solution
- Step 1: Write the proportion equation
119,622,202.31 : 165,078,786.81 = 64,618,058.81 : x - Step 2: Convert to fraction form
119,622,202.31/165,078,786.81 = 64,618,058.81/x - Step 3: Cross multiply
119,622,202.31x = 165,078,786.81 × 64,618,058.81 - Step 4: Simplify right side
119,622,202.31x = 10,667,070,755,027,046 - Step 5: Solve for x
x = 10,667,070,755,027,046/119,622,202.31 - Step 6: Final answer
x = 89,173,000.90
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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.