Finding the Fourth Proportional to 67,896,521.81, 101,843,787.02 and 16,778,541.23
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Solution
The fourth proportional to 67,896,521.81, 101,843,787.02 and 16,778,541.23 is: 25,167,565.78
Step by Step Solution
- Step 1: Write the proportion equation
67,896,521.81 : 101,843,787.02 = 16,778,541.23 : x - Step 2: Convert to fraction form
67,896,521.81/101,843,787.02 = 16,778,541.23/x - Step 3: Cross multiply
67,896,521.81x = 101,843,787.02 × 16,778,541.23 - Step 4: Simplify right side
67,896,521.81x = 1,708,790,178,941,297.25 - Step 5: Solve for x
x = 1,708,790,178,941,297.25/67,896,521.81 - Step 6: Final answer
x = 25,167,565.78
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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.