Finding the Fourth Proportional to 167,990,777.15, 231,828,263.33 and 97,468,378.65
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Solution
The fourth proportional to 167,990,777.15, 231,828,263.33 and 97,468,378.65 is: 134,506,937.44
Step by Step Solution
- Step 1: Write the proportion equation
167,990,777.15 : 231,828,263.33 = 97,468,378.65 : x - Step 2: Convert to fraction form
167,990,777.15/231,828,263.33 = 97,468,378.65/x - Step 3: Cross multiply
167,990,777.15x = 231,828,263.33 × 97,468,378.65 - Step 4: Simplify right side
167,990,777.15x = 22,595,924,951,533,008 - Step 5: Solve for x
x = 22,595,924,951,533,008/167,990,777.15 - Step 6: Final answer
x = 134,506,937.44
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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.