Finding the Fourth Proportional to 157,617,623.40, 236,028,303.90 and 103,471,780.20
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Solution
The fourth proportional to 157,617,623.40, 236,028,303.90 and 103,471,780.20 is: 154,946,307.75
Step by Step Solution
- Step 1: Write the proportion equation
157,617,623.40 : 236,028,303.90 = 103,471,780.20 : x - Step 2: Convert to fraction form
157,617,623.40/236,028,303.90 = 103,471,780.20/x - Step 3: Cross multiply
157,617,623.40x = 236,028,303.90 × 103,471,780.20 - Step 4: Simplify right side
157,617,623.40x = 24,422,268,782,119,604 - Step 5: Solve for x
x = 24,422,268,782,119,604/157,617,623.40 - Step 6: Final answer
x = 154,946,307.75
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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.