Finding the Fourth Proportional to 163,592,879.76, 225,750,295.08 and 89,249,014.80
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Solution
The fourth proportional to 163,592,879.76, 225,750,295.08 and 89,249,014.80 is: 123,159,342.00
Step by Step Solution
- Step 1: Write the proportion equation
163,592,879.76 : 225,750,295.08 = 89,249,014.80 : x - Step 2: Convert to fraction form
163,592,879.76/225,750,295.08 = 89,249,014.80/x - Step 3: Cross multiply
163,592,879.76x = 225,750,295.08 × 89,249,014.80 - Step 4: Simplify right side
163,592,879.76x = 20,147,991,426,699,288 - Step 5: Solve for x
x = 20,147,991,426,699,288/163,592,879.76 - Step 6: Final answer
x = 123,159,342.00
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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.