Finding the Fourth Proportional to 48,161,567.70, 72,242,351.55 and 19,421,471.70
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Solution
The fourth proportional to 48,161,567.70, 72,242,351.55 and 19,421,471.70 is: 29,132,207.55
Step by Step Solution
- Step 1: Write the proportion equation
48,161,567.70 : 72,242,351.55 = 19,421,471.70 : x - Step 2: Convert to fraction form
48,161,567.70/72,242,351.55 = 19,421,471.70/x - Step 3: Cross multiply
48,161,567.70x = 72,242,351.55 × 19,421,471.70 - Step 4: Simplify right side
48,161,567.70x = 1,403,052,786,169,776 - Step 5: Solve for x
x = 1,403,052,786,169,776/48,161,567.70 - Step 6: Final answer
x = 29,132,207.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.