Finding the Fourth Proportional to 150,365,248.75, 207,115,909.09 and 106,235,641.99
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Solution
The fourth proportional to 150,365,248.75, 207,115,909.09 and 106,235,641.99 is: 146,330,962.45
Step by Step Solution
- Step 1: Write the proportion equation
150,365,248.75 : 207,115,909.09 = 106,235,641.99 : x - Step 2: Convert to fraction form
150,365,248.75/207,115,909.09 = 106,235,641.99/x - Step 3: Cross multiply
150,365,248.75x = 207,115,909.09 × 106,235,641.99 - Step 4: Simplify right side
150,365,248.75x = 22,003,091,568,518,624 - Step 5: Solve for x
x = 22,003,091,568,518,624/150,365,248.75 - Step 6: Final answer
x = 146,330,962.45
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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.