Finding the Fourth Proportional to 207,238,477.84, 310,836,414.30 and 69,049,159.44
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Solution
The fourth proportional to 207,238,477.84, 310,836,414.30 and 69,049,159.44 is: 103,566,641.46
Step by Step Solution
- Step 1: Write the proportion equation
207,238,477.84 : 310,836,414.30 = 69,049,159.44 : x - Step 2: Convert to fraction form
207,238,477.84/310,836,414.30 = 69,049,159.44/x - Step 3: Cross multiply
207,238,477.84x = 310,836,414.30 × 69,049,159.44 - Step 4: Simplify right side
207,238,477.84x = 21,462,993,130,758,596 - Step 5: Solve for x
x = 21,462,993,130,758,596/207,238,477.84 - Step 6: Final answer
x = 103,566,641.46
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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.