Finding the Fourth Proportional to 97,907,798.51, 135,306,538.83 and 80,238,838.42
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Solution
The fourth proportional to 97,907,798.51, 135,306,538.83 and 80,238,838.42 is: 110,888,403.90
Step by Step Solution
- Step 1: Write the proportion equation
97,907,798.51 : 135,306,538.83 = 80,238,838.42 : x - Step 2: Convert to fraction form
97,907,798.51/135,306,538.83 = 80,238,838.42/x - Step 3: Cross multiply
97,907,798.51x = 135,306,538.83 × 80,238,838.42 - Step 4: Simplify right side
97,907,798.51x = 10,856,839,506,349,828 - Step 5: Solve for x
x = 10,856,839,506,349,828/97,907,798.51 - Step 6: Final answer
x = 110,888,403.90
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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.