Finding the Fourth Proportional to 199,417,246.88, 275,241,717.12 and 116,937,603.68
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Solution
The fourth proportional to 199,417,246.88, 275,241,717.12 and 116,937,603.68 is: 161,400,818.32
Step by Step Solution
- Step 1: Write the proportion equation
199,417,246.88 : 275,241,717.12 = 116,937,603.68 : x - Step 2: Convert to fraction form
199,417,246.88/275,241,717.12 = 116,937,603.68/x - Step 3: Cross multiply
199,417,246.88x = 275,241,717.12 × 116,937,603.68 - Step 4: Simplify right side
199,417,246.88x = 32,186,106,832,781,232 - Step 5: Solve for x
x = 32,186,106,832,781,232/199,417,246.88 - Step 6: Final answer
x = 161,400,818.32
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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.