Finding the Fourth Proportional to 118,294,416.99, 163,255,132.02 and 68,074,029.81
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Solution
The fourth proportional to 118,294,416.99, 163,255,132.02 and 68,074,029.81 is: 93,947,246.26
Step by Step Solution
- Step 1: Write the proportion equation
118,294,416.99 : 163,255,132.02 = 68,074,029.81 : x - Step 2: Convert to fraction form
118,294,416.99/163,255,132.02 = 68,074,029.81/x - Step 3: Cross multiply
118,294,416.99x = 163,255,132.02 × 68,074,029.81 - Step 4: Simplify right side
118,294,416.99x = 11,113,434,723,764,966 - Step 5: Solve for x
x = 11,113,434,723,764,966/118,294,416.99 - Step 6: Final answer
x = 93,947,246.26
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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.