Finding the Fourth Proportional to 201,659,830.40, 302,237,803.20 and 147,744,156.80
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Solution
The fourth proportional to 201,659,830.40, 302,237,803.20 and 147,744,156.80 is: 221,431,652.00
Step by Step Solution
- Step 1: Write the proportion equation
201,659,830.40 : 302,237,803.20 = 147,744,156.80 : x - Step 2: Convert to fraction form
201,659,830.40/302,237,803.20 = 147,744,156.80/x - Step 3: Cross multiply
201,659,830.40x = 302,237,803.20 × 147,744,156.80 - Step 4: Simplify right side
201,659,830.40x = 44,653,869,386,868,344 - Step 5: Solve for x
x = 44,653,869,386,868,344/201,659,830.40 - Step 6: Final answer
x = 221,431,652.00
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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.