Finding the Fourth Proportional to 232,966,862.08, 321,500,972.32 and 128,551,671.68
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Solution
The fourth proportional to 232,966,862.08, 321,500,972.32 and 128,551,671.68 is: 177,405,005.46
Step by Step Solution
- Step 1: Write the proportion equation
232,966,862.08 : 321,500,972.32 = 128,551,671.68 : x - Step 2: Convert to fraction form
232,966,862.08/321,500,972.32 = 128,551,671.68/x - Step 3: Cross multiply
232,966,862.08x = 321,500,972.32 × 128,551,671.68 - Step 4: Simplify right side
232,966,862.08x = 41,329,487,438,481,408 - Step 5: Solve for x
x = 41,329,487,438,481,408/232,966,862.08 - Step 6: Final answer
x = 177,405,005.46
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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.