Finding the Fourth Proportional to 99,295,637.20, 148,943,455.80 and 27,492,053.20
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Solution
The fourth proportional to 99,295,637.20, 148,943,455.80 and 27,492,053.20 is: 41,238,079.80
Step by Step Solution
- Step 1: Write the proportion equation
99,295,637.20 : 148,943,455.80 = 27,492,053.20 : x - Step 2: Convert to fraction form
99,295,637.20/148,943,455.80 = 27,492,053.20/x - Step 3: Cross multiply
99,295,637.20x = 148,943,455.80 × 27,492,053.20 - Step 4: Simplify right side
99,295,637.20x = 4,094,761,410,645,449 - Step 5: Solve for x
x = 4,094,761,410,645,449/99,295,637.20 - Step 6: Final answer
x = 41,238,079.80
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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.