Finding the Fourth Proportional to 168,202,091.60, 252,255,898.20 and 53,221,878.80
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Solution
The fourth proportional to 168,202,091.60, 252,255,898.20 and 53,221,878.80 is: 79,817,870.95
Step by Step Solution
- Step 1: Write the proportion equation
168,202,091.60 : 252,255,898.20 = 53,221,878.80 : x - Step 2: Convert to fraction form
168,202,091.60/252,255,898.20 = 53,221,878.80/x - Step 3: Cross multiply
168,202,091.60x = 252,255,898.20 × 53,221,878.80 - Step 4: Simplify right side
168,202,091.60x = 13,425,532,840,585,536 - Step 5: Solve for x
x = 13,425,532,840,585,536/168,202,091.60 - Step 6: Final answer
x = 79,817,870.95
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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.