Finding the Fourth Proportional to 178,516,921.74, 267,653,137.05 and 90,908,854.62
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Solution
The fourth proportional to 178,516,921.74, 267,653,137.05 and 90,908,854.62 is: 136,301,028.99
Step by Step Solution
- Step 1: Write the proportion equation
178,516,921.74 : 267,653,137.05 = 90,908,854.62 : x - Step 2: Convert to fraction form
178,516,921.74/267,653,137.05 = 90,908,854.62/x - Step 3: Cross multiply
178,516,921.74x = 267,653,137.05 × 90,908,854.62 - Step 4: Simplify right side
178,516,921.74x = 24,332,040,124,665,388 - Step 5: Solve for x
x = 24,332,040,124,665,388/178,516,921.74 - Step 6: Final answer
x = 136,301,028.99
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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.