Finding the Fourth Proportional to 336,779,471.21, 505,187,315.78 and 106,766,492.00
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Solution
The fourth proportional to 336,779,471.21, 505,187,315.78 and 106,766,492.00 is: 160,155,478.93
Step by Step Solution
- Step 1: Write the proportion equation
336,779,471.21 : 505,187,315.78 = 106,766,492.00 : x - Step 2: Convert to fraction form
336,779,471.21/505,187,315.78 = 106,766,492.00/x - Step 3: Cross multiply
336,779,471.21x = 505,187,315.78 × 106,766,492.00 - Step 4: Simplify right side
336,779,471.21x = 53,937,077,505,667,072 - Step 5: Solve for x
x = 53,937,077,505,667,072/336,779,471.21 - Step 6: Final answer
x = 160,155,478.93
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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.