Finding the Fourth Proportional to 151,415,765.24, 209,023,507.33 and 88,683,157.40
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Solution
The fourth proportional to 151,415,765.24, 209,023,507.33 and 88,683,157.40 is: 122,423,610.06
Step by Step Solution
- Step 1: Write the proportion equation
151,415,765.24 : 209,023,507.33 = 88,683,157.40 : x - Step 2: Convert to fraction form
151,415,765.24/209,023,507.33 = 88,683,157.40/x - Step 3: Cross multiply
151,415,765.24x = 209,023,507.33 × 88,683,157.40 - Step 4: Simplify right side
151,415,765.24x = 18,536,864,599,579,616 - Step 5: Solve for x
x = 18,536,864,599,579,616/151,415,765.24 - Step 6: Final answer
x = 122,423,610.06
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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.