Finding the Fourth Proportional to 50,818,188.26, 70,128,947.12 and 27,613,386.02
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Solution
The fourth proportional to 50,818,188.26, 70,128,947.12 and 27,613,386.02 is: 38,106,389.75
Step by Step Solution
- Step 1: Write the proportion equation
50,818,188.26 : 70,128,947.12 = 27,613,386.02 : x - Step 2: Convert to fraction form
50,818,188.26/70,128,947.12 = 27,613,386.02/x - Step 3: Cross multiply
50,818,188.26x = 70,128,947.12 × 27,613,386.02 - Step 4: Simplify right side
50,818,188.26x = 1,936,497,688,000,727.25 - Step 5: Solve for x
x = 1,936,497,688,000,727.25/50,818,188.26 - Step 6: Final answer
x = 38,106,389.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.