Finding the Fourth Proportional to 155,791,871.92, 214,920,391.80 and 100,805,494.96
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Solution
The fourth proportional to 155,791,871.92, 214,920,391.80 and 100,805,494.96 is: 139,064,741.99
Step by Step Solution
- Step 1: Write the proportion equation
155,791,871.92 : 214,920,391.80 = 100,805,494.96 : x - Step 2: Convert to fraction form
155,791,871.92/214,920,391.80 = 100,805,494.96/x - Step 3: Cross multiply
155,791,871.92x = 214,920,391.80 × 100,805,494.96 - Step 4: Simplify right side
155,791,871.92x = 21,665,156,472,396,124 - Step 5: Solve for x
x = 21,665,156,472,396,124/155,791,871.92 - Step 6: Final answer
x = 139,064,741.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.