Finding the Fourth Proportional to 68,102,275.30, 93,983,133.81 and 37,164,438.70
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Solution
The fourth proportional to 68,102,275.30, 93,983,133.81 and 37,164,438.70 is: 51,288,013.51
Step by Step Solution
- Step 1: Write the proportion equation
68,102,275.30 : 93,983,133.81 = 37,164,438.70 : x - Step 2: Convert to fraction form
68,102,275.30/93,983,133.81 = 37,164,438.70/x - Step 3: Cross multiply
68,102,275.30x = 93,983,133.81 × 37,164,438.70 - Step 4: Simplify right side
68,102,275.30x = 3,492,830,415,315,643 - Step 5: Solve for x
x = 3,492,830,415,315,643/68,102,275.30 - Step 6: Final answer
x = 51,288,013.51
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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.