Finding the Fourth Proportional to 73,982,954.80, 110,974,432.20 and 71,006,885.20
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Solution
The fourth proportional to 73,982,954.80, 110,974,432.20 and 71,006,885.20 is: 106,510,327.80
Step by Step Solution
- Step 1: Write the proportion equation
73,982,954.80 : 110,974,432.20 = 71,006,885.20 : x - Step 2: Convert to fraction form
73,982,954.80/110,974,432.20 = 71,006,885.20/x - Step 3: Cross multiply
73,982,954.80x = 110,974,432.20 × 71,006,885.20 - Step 4: Simplify right side
73,982,954.80x = 7,879,948,767,360,584 - Step 5: Solve for x
x = 7,879,948,767,360,584/73,982,954.80 - Step 6: Final answer
x = 106,510,327.80
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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.