Finding the Fourth Proportional to 157,603,595.20, 235,767,663.60 and 138,471,719.20
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Solution
The fourth proportional to 157,603,595.20, 235,767,663.60 and 138,471,719.20 is: 207,147,265.07
Step by Step Solution
- Step 1: Write the proportion equation
157,603,595.20 : 235,767,663.60 = 138,471,719.20 : x - Step 2: Convert to fraction form
157,603,595.20/235,767,663.60 = 138,471,719.20/x - Step 3: Cross multiply
157,603,595.20x = 235,767,663.60 × 138,471,719.20 - Step 4: Simplify right side
157,603,595.20x = 32,647,153,710,459,256 - Step 5: Solve for x
x = 32,647,153,710,459,256/157,603,595.20 - Step 6: Final answer
x = 207,147,265.07
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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.