Finding the Fourth Proportional to 106,606,346.21, 147,124,370.58 and 58,920,574.74
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Solution
The fourth proportional to 106,606,346.21, 147,124,370.58 and 58,920,574.74 is: 81,314,600.69
Step by Step Solution
- Step 1: Write the proportion equation
106,606,346.21 : 147,124,370.58 = 58,920,574.74 : x - Step 2: Convert to fraction form
106,606,346.21/147,124,370.58 = 58,920,574.74/x - Step 3: Cross multiply
106,606,346.21x = 147,124,370.58 × 58,920,574.74 - Step 4: Simplify right side
106,606,346.21x = 8,668,652,472,834,348 - Step 5: Solve for x
x = 8,668,652,472,834,348/106,606,346.21 - Step 6: Final answer
x = 81,314,600.69
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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.