Finding the Fourth Proportional to 108,564,829.20, 162,847,243.80 and 48,098,653.20
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Solution
The fourth proportional to 108,564,829.20, 162,847,243.80 and 48,098,653.20 is: 72,147,979.80
Step by Step Solution
- Step 1: Write the proportion equation
108,564,829.20 : 162,847,243.80 = 48,098,653.20 : x - Step 2: Convert to fraction form
108,564,829.20/162,847,243.80 = 48,098,653.20/x - Step 3: Cross multiply
108,564,829.20x = 162,847,243.80 × 48,098,653.20 - Step 4: Simplify right side
108,564,829.20x = 7,832,733,104,112,051 - Step 5: Solve for x
x = 7,832,733,104,112,051/108,564,829.20 - Step 6: Final answer
x = 72,147,979.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.