Finding the Fourth Proportional to 74,772,349.20, 112,169,021.40 and 23,649,037.20
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Solution
The fourth proportional to 74,772,349.20, 112,169,021.40 and 23,649,037.20 is: 35,476,875.99
Step by Step Solution
- Step 1: Write the proportion equation
74,772,349.20 : 112,169,021.40 = 23,649,037.20 : x - Step 2: Convert to fraction form
74,772,349.20/112,169,021.40 = 23,649,037.20/x - Step 3: Cross multiply
74,772,349.20x = 112,169,021.40 × 23,649,037.20 - Step 4: Simplify right side
74,772,349.20x = 2,652,689,359,776,196 - Step 5: Solve for x
x = 2,652,689,359,776,196/74,772,349.20 - Step 6: Final answer
x = 35,476,875.99
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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.