Finding the Fourth Proportional to 99,202,518.40, 148,807,924.80 and 53,125,052.80
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Solution
The fourth proportional to 99,202,518.40, 148,807,924.80 and 53,125,052.80 is: 79,689,800.11
Step by Step Solution
- Step 1: Write the proportion equation
99,202,518.40 : 148,807,924.80 = 53,125,052.80 : x - Step 2: Convert to fraction form
99,202,518.40/148,807,924.80 = 53,125,052.80/x - Step 3: Cross multiply
99,202,518.40x = 148,807,924.80 × 53,125,052.80 - Step 4: Simplify right side
99,202,518.40x = 7,905,428,862,058,430 - Step 5: Solve for x
x = 7,905,428,862,058,430/99,202,518.40 - Step 6: Final answer
x = 79,689,800.11
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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.