Finding the Fourth Proportional to 98,258,508.72, 147,242,197.44 and 39,895,215.12
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Solution
The fourth proportional to 98,258,508.72, 147,242,197.44 and 39,895,215.12 is: 59,783,719.68
Step by Step Solution
- Step 1: Write the proportion equation
98,258,508.72 : 147,242,197.44 = 39,895,215.12 : x - Step 2: Convert to fraction form
98,258,508.72/147,242,197.44 = 39,895,215.12/x - Step 3: Cross multiply
98,258,508.72x = 147,242,197.44 × 39,895,215.12 - Step 4: Simplify right side
98,258,508.72x = 5,874,259,141,610,313 - Step 5: Solve for x
x = 5,874,259,141,610,313/98,258,508.72 - Step 6: Final answer
x = 59,783,719.68
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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.