Finding the Fourth Proportional to 128,465,758.68, 192,667,783.74 and 59,312,119.32
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Solution
The fourth proportional to 128,465,758.68, 192,667,783.74 and 59,312,119.32 is: 88,953,933.68
Step by Step Solution
- Step 1: Write the proportion equation
128,465,758.68 : 192,667,783.74 = 59,312,119.32 : x - Step 2: Convert to fraction form
128,465,758.68/192,667,783.74 = 59,312,119.32/x - Step 3: Cross multiply
128,465,758.68x = 192,667,783.74 × 59,312,119.32 - Step 4: Simplify right side
128,465,758.68x = 11,427,534,578,306,836 - Step 5: Solve for x
x = 11,427,534,578,306,836/128,465,758.68 - Step 6: Final answer
x = 88,953,933.68
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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.