Finding the Fourth Proportional to 128,460,775.50, 177,276,065.00 and 69,723,462.08
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Solution
The fourth proportional to 128,460,775.50, 177,276,065.00 and 69,723,462.08 is: 96,218,483.41
Step by Step Solution
- Step 1: Write the proportion equation
128,460,775.50 : 177,276,065.00 = 69,723,462.08 : x - Step 2: Convert to fraction form
128,460,775.50/177,276,065.00 = 69,723,462.08/x - Step 3: Cross multiply
128,460,775.50x = 177,276,065.00 × 69,723,462.08 - Step 4: Simplify right side
128,460,775.50x = 12,360,300,995,813,688 - Step 5: Solve for x
x = 12,360,300,995,813,688/128,460,775.50 - Step 6: Final answer
x = 96,218,483.41
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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.