Finding the Fourth Proportional to 189,283,401.30, 283,925,101.95 and 121,258,953.30
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Solution
The fourth proportional to 189,283,401.30, 283,925,101.95 and 121,258,953.30 is: 181,888,429.95
Step by Step Solution
- Step 1: Write the proportion equation
189,283,401.30 : 283,925,101.95 = 121,258,953.30 : x - Step 2: Convert to fraction form
189,283,401.30/283,925,101.95 = 121,258,953.30/x - Step 3: Cross multiply
189,283,401.30x = 283,925,101.95 × 121,258,953.30 - Step 4: Simplify right side
189,283,401.30x = 34,428,460,678,052,788 - Step 5: Solve for x
x = 34,428,460,678,052,788/189,283,401.30 - Step 6: Final answer
x = 181,888,429.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.