Finding the Fourth Proportional to 125,137,807.60, 187,720,708.20 and 38,875,529.20
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Solution
The fourth proportional to 125,137,807.60, 187,720,708.20 and 38,875,529.20 is: 58,317,642.07
Step by Step Solution
- Step 1: Write the proportion equation
125,137,807.60 : 187,720,708.20 = 38,875,529.20 : x - Step 2: Convert to fraction form
125,137,807.60/187,720,708.20 = 38,875,529.20/x - Step 3: Cross multiply
125,137,807.60x = 187,720,708.20 × 38,875,529.20 - Step 4: Simplify right side
125,137,807.60x = 7,297,741,873,073,780 - Step 5: Solve for x
x = 7,297,741,873,073,780/125,137,807.60 - Step 6: Final answer
x = 58,317,642.07
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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.