Finding the Fourth Proportional to 158,210,622.93, 218,320,074.84 and 87,641,454.63
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Solution
The fourth proportional to 158,210,622.93, 218,320,074.84 and 87,641,454.63 is: 120,939,343.89
Step by Step Solution
- Step 1: Write the proportion equation
158,210,622.93 : 218,320,074.84 = 87,641,454.63 : x - Step 2: Convert to fraction form
158,210,622.93/218,320,074.84 = 87,641,454.63/x - Step 3: Cross multiply
158,210,622.93x = 218,320,074.84 × 87,641,454.63 - Step 4: Simplify right side
158,210,622.93x = 19,133,888,933,908,064 - Step 5: Solve for x
x = 19,133,888,933,908,064/158,210,622.93 - Step 6: Final answer
x = 120,939,343.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.