Finding the Fourth Proportional to 73,397,636.19, 101,291,339.16 and 40,360,398.66
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Solution
The fourth proportional to 73,397,636.19, 101,291,339.16 and 40,360,398.66 is: 55,698,780.53
Step by Step Solution
- Step 1: Write the proportion equation
73,397,636.19 : 101,291,339.16 = 40,360,398.66 : x - Step 2: Convert to fraction form
73,397,636.19/101,291,339.16 = 40,360,398.66/x - Step 3: Cross multiply
73,397,636.19x = 101,291,339.16 × 40,360,398.66 - Step 4: Simplify right side
73,397,636.19x = 4,088,158,829,302,869 - Step 5: Solve for x
x = 4,088,158,829,302,869/73,397,636.19 - Step 6: Final answer
x = 55,698,780.53
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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.