Finding the Fourth Proportional to 80,854,585.20, 121,281,877.80 and 48,489,828.30
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Solution
The fourth proportional to 80,854,585.20, 121,281,877.80 and 48,489,828.30 is: 72,734,742.45
Step by Step Solution
- Step 1: Write the proportion equation
80,854,585.20 : 121,281,877.80 = 48,489,828.30 : x - Step 2: Convert to fraction form
80,854,585.20/121,281,877.80 = 48,489,828.30/x - Step 3: Cross multiply
80,854,585.20x = 121,281,877.80 × 48,489,828.30 - Step 4: Simplify right side
80,854,585.20x = 5,880,937,430,423,581 - Step 5: Solve for x
x = 5,880,937,430,423,581/80,854,585.20 - Step 6: Final answer
x = 72,734,742.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.