Finding the Fourth Proportional to 344,348,008.56, 516,522,386.99 and 85,563,228.79
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Solution
The fourth proportional to 344,348,008.56, 516,522,386.99 and 85,563,228.79 is: 128,344,936.15
Step by Step Solution
- Step 1: Write the proportion equation
344,348,008.56 : 516,522,386.99 = 85,563,228.79 : x - Step 2: Convert to fraction form
344,348,008.56/516,522,386.99 = 85,563,228.79/x - Step 3: Cross multiply
344,348,008.56x = 516,522,386.99 × 85,563,228.79 - Step 4: Simplify right side
344,348,008.56x = 44,195,323,173,182,296 - Step 5: Solve for x
x = 44,195,323,173,182,296/344,348,008.56 - Step 6: Final answer
x = 128,344,936.15
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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.