Finding the Fourth Proportional to 103,204,351.09, 154,833,320.12 and 38,508,642.84
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Solution
The fourth proportional to 103,204,351.09, 154,833,320.12 and 38,508,642.84 is: 57,772,961.72
Step by Step Solution
- Step 1: Write the proportion equation
103,204,351.09 : 154,833,320.12 = 38,508,642.84 : x - Step 2: Convert to fraction form
103,204,351.09/154,833,320.12 = 38,508,642.84/x - Step 3: Cross multiply
103,204,351.09x = 154,833,320.12 × 38,508,642.84 - Step 4: Simplify right side
103,204,351.09x = 5,962,421,024,836,967 - Step 5: Solve for x
x = 5,962,421,024,836,967/103,204,351.09 - Step 6: Final answer
x = 57,772,961.72
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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.