Finding the Fourth Proportional to 99,663,532.80, 149,523,292.80 and 48,547,219.20
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Solution
The fourth proportional to 99,663,532.80, 149,523,292.80 and 48,547,219.20 is: 72,834,464.80
Step by Step Solution
- Step 1: Write the proportion equation
99,663,532.80 : 149,523,292.80 = 48,547,219.20 : x - Step 2: Convert to fraction form
99,663,532.80/149,523,292.80 = 48,547,219.20/x - Step 3: Cross multiply
99,663,532.80x = 149,523,292.80 × 48,547,219.20 - Step 4: Simplify right side
99,663,532.80x = 7,258,940,071,067,383 - Step 5: Solve for x
x = 7,258,940,071,067,383/99,663,532.80 - Step 6: Final answer
x = 72,834,464.80
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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.