Finding the Fourth Proportional to 172,387,041.68, 237,899,141.84 and 94,075,639.65
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Solution
The fourth proportional to 172,387,041.68, 237,899,141.84 and 94,075,639.65 is: 129,827,124.61
Step by Step Solution
- Step 1: Write the proportion equation
172,387,041.68 : 237,899,141.84 = 94,075,639.65 : x - Step 2: Convert to fraction form
172,387,041.68/237,899,141.84 = 94,075,639.65/x - Step 3: Cross multiply
172,387,041.68x = 237,899,141.84 × 94,075,639.65 - Step 4: Simplify right side
172,387,041.68x = 22,380,513,941,019,268 - Step 5: Solve for x
x = 22,380,513,941,019,268/172,387,041.68 - Step 6: Final answer
x = 129,827,124.61
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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.