Finding the Fourth Proportional to 272,723,708.09, 409,085,567.57 and 65,462,118.74
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Solution
The fourth proportional to 272,723,708.09, 409,085,567.57 and 65,462,118.74 is: 98,193,179.41
Step by Step Solution
- Step 1: Write the proportion equation
272,723,708.09 : 409,085,567.57 = 65,462,118.74 : x - Step 2: Convert to fraction form
272,723,708.09/409,085,567.57 = 65,462,118.74/x - Step 3: Cross multiply
272,723,708.09x = 409,085,567.57 × 65,462,118.74 - Step 4: Simplify right side
272,723,708.09x = 26,779,607,998,739,932 - Step 5: Solve for x
x = 26,779,607,998,739,932/272,723,708.09 - Step 6: Final answer
x = 98,193,179.41
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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.