Finding the Fourth Proportional to 272,723,697.12, 409,085,551.09 and 65,462,107.74
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Solution
The fourth proportional to 272,723,697.12, 409,085,551.09 and 65,462,107.74 is: 98,193,162.92
Step by Step Solution
- Step 1: Write the proportion equation
272,723,697.12 : 409,085,551.09 = 65,462,107.74 : x - Step 2: Convert to fraction form
272,723,697.12/409,085,551.09 = 65,462,107.74/x - Step 3: Cross multiply
272,723,697.12x = 409,085,551.09 × 65,462,107.74 - Step 4: Simplify right side
272,723,697.12x = 26,779,602,421,960,696 - Step 5: Solve for x
x = 26,779,602,421,960,696/272,723,697.12 - Step 6: Final answer
x = 98,193,162.92
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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.