Finding the Fourth Proportional to 97,907,798.13, 135,306,538.31 and 80,238,838.05
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Solution
The fourth proportional to 97,907,798.13, 135,306,538.31 and 80,238,838.05 is: 110,888,403.40
Step by Step Solution
- Step 1: Write the proportion equation
97,907,798.13 : 135,306,538.31 = 80,238,838.05 : x - Step 2: Convert to fraction form
97,907,798.13/135,306,538.31 = 80,238,838.05/x - Step 3: Cross multiply
97,907,798.13x = 135,306,538.31 × 80,238,838.05 - Step 4: Simplify right side
97,907,798.13x = 10,856,839,414,562,210 - Step 5: Solve for x
x = 10,856,839,414,562,210/97,907,798.13 - Step 6: Final answer
x = 110,888,403.40
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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.