Finding the Fourth Proportional to 98,695,215.74, 147,937,847.61 and 37,258,274.18
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Solution
The fourth proportional to 98,695,215.74, 147,937,847.61 and 37,258,274.18 is: 55,847,781.94
Step by Step Solution
- Step 1: Write the proportion equation
98,695,215.74 : 147,937,847.61 = 37,258,274.18 : x - Step 2: Convert to fraction form
98,695,215.74/147,937,847.61 = 37,258,274.18/x - Step 3: Cross multiply
98,695,215.74x = 147,937,847.61 × 37,258,274.18 - Step 4: Simplify right side
98,695,215.74x = 5,511,908,887,215,391 - Step 5: Solve for x
x = 5,511,908,887,215,391/98,695,215.74 - Step 6: Final answer
x = 55,847,781.94
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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.