Finding the Fourth Proportional to 98,240,305.16, 135,569,246.06 and 54,186,357.87
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Solution
The fourth proportional to 98,240,305.16, 135,569,246.06 and 54,186,357.87 is: 74,775,863.85
Step by Step Solution
- Step 1: Write the proportion equation
98,240,305.16 : 135,569,246.06 = 54,186,357.87 : x - Step 2: Convert to fraction form
98,240,305.16/135,569,246.06 = 54,186,357.87/x - Step 3: Cross multiply
98,240,305.16x = 135,569,246.06 × 54,186,357.87 - Step 4: Simplify right side
98,240,305.16x = 7,346,003,683,173,247 - Step 5: Solve for x
x = 7,346,003,683,173,247/98,240,305.16 - Step 6: Final answer
x = 74,775,863.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.