Finding the Fourth Proportional to 212,720,889.76, 293,577,398.04 and 124,688,850.88
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Solution
The fourth proportional to 212,720,889.76, 293,577,398.04 and 124,688,850.88 is: 172,083,843.99
Step by Step Solution
- Step 1: Write the proportion equation
212,720,889.76 : 293,577,398.04 = 124,688,850.88 : x - Step 2: Convert to fraction form
212,720,889.76/293,577,398.04 = 124,688,850.88/x - Step 3: Cross multiply
212,720,889.76x = 293,577,398.04 × 124,688,850.88 - Step 4: Simplify right side
212,720,889.76x = 36,605,828,405,947,968 - Step 5: Solve for x
x = 36,605,828,405,947,968/212,720,889.76 - Step 6: Final answer
x = 172,083,843.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.