Finding the Fourth Proportional to 99,405,312.32, 149,038,687.12 and 44,043,055.20
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Solution
The fourth proportional to 99,405,312.32, 149,038,687.12 and 44,043,055.20 is: 66,033,886.63
Step by Step Solution
- Step 1: Write the proportion equation
99,405,312.32 : 149,038,687.12 = 44,043,055.20 : x - Step 2: Convert to fraction form
99,405,312.32/149,038,687.12 = 44,043,055.20/x - Step 3: Cross multiply
99,405,312.32x = 149,038,687.12 × 44,043,055.20 - Step 4: Simplify right side
99,405,312.32x = 6,564,119,123,761,690 - Step 5: Solve for x
x = 6,564,119,123,761,690/99,405,312.32 - Step 6: Final answer
x = 66,033,886.63
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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.