Finding the Fourth Proportional to 157,617,603.90, 236,028,274.65 and 103,471,760.70
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Solution
The fourth proportional to 157,617,603.90, 236,028,274.65 and 103,471,760.70 is: 154,946,278.52
Step by Step Solution
- Step 1: Write the proportion equation
157,617,603.90 : 236,028,274.65 = 103,471,760.70 : x - Step 2: Convert to fraction form
157,617,603.90/236,028,274.65 = 103,471,760.70/x - Step 3: Cross multiply
157,617,603.90x = 236,028,274.65 × 103,471,760.70 - Step 4: Simplify right side
157,617,603.90x = 24,422,261,153,018,676 - Step 5: Solve for x
x = 24,422,261,153,018,676/157,617,603.90 - Step 6: Final answer
x = 154,946,278.52
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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.