Finding the Fourth Proportional to 318,124,814.92, 477,182,427.99 and 143,124,263.08
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Solution
The fourth proportional to 318,124,814.92, 477,182,427.99 and 143,124,263.08 is: 214,684,237.63
Step by Step Solution
- Step 1: Write the proportion equation
318,124,814.92 : 477,182,427.99 = 143,124,263.08 : x - Step 2: Convert to fraction form
318,124,814.92/477,182,427.99 = 143,124,263.08/x - Step 3: Cross multiply
318,124,814.92x = 477,182,427.99 × 143,124,263.08 - Step 4: Simplify right side
318,124,814.92x = 68,296,383,360,793,920 - Step 5: Solve for x
x = 68,296,383,360,793,920/318,124,814.92 - Step 6: Final answer
x = 214,684,237.63
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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.