Finding the Fourth Proportional to 75,313,417.28, 112,926,232.16 and 29,201,416.26
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Solution
The fourth proportional to 75,313,417.28, 112,926,232.16 and 29,201,416.26 is: 43,785,105.38
Step by Step Solution
- Step 1: Write the proportion equation
75,313,417.28 : 112,926,232.16 = 29,201,416.26 : x - Step 2: Convert to fraction form
75,313,417.28/112,926,232.16 = 29,201,416.26/x - Step 3: Cross multiply
75,313,417.28x = 112,926,232.16 × 29,201,416.26 - Step 4: Simplify right side
75,313,417.28x = 3,297,605,911,977,559 - Step 5: Solve for x
x = 3,297,605,911,977,559/75,313,417.28 - Step 6: Final answer
x = 43,785,105.38
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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.