Finding the Fourth Proportional to 62,671,053.42, 86,486,366.79 and 39,163,240.71
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Solution
The fourth proportional to 62,671,053.42, 86,486,366.79 and 39,163,240.71 is: 54,045,467.82
Step by Step Solution
- Step 1: Write the proportion equation
62,671,053.42 : 86,486,366.79 = 39,163,240.71 : x - Step 2: Convert to fraction form
62,671,053.42/86,486,366.79 = 39,163,240.71/x - Step 3: Cross multiply
62,671,053.42x = 86,486,366.79 × 39,163,240.71 - Step 4: Simplify right side
62,671,053.42x = 3,387,086,400,730,120.50 - Step 5: Solve for x
x = 3,387,086,400,730,120.50/62,671,053.42 - Step 6: Final answer
x = 54,045,467.82
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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.