Finding the Fourth Proportional to 63,163,542.76, 87,117,693.04 and 54,357,639.52
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Solution
The fourth proportional to 63,163,542.76, 87,117,693.04 and 54,357,639.52 is: 74,972,237.89
Step by Step Solution
- Step 1: Write the proportion equation
63,163,542.76 : 87,117,693.04 = 54,357,639.52 : x - Step 2: Convert to fraction form
63,163,542.76/87,117,693.04 = 54,357,639.52/x - Step 3: Cross multiply
63,163,542.76x = 87,117,693.04 × 54,357,639.52 - Step 4: Simplify right side
63,163,542.76x = 4,735,512,154,082,334 - Step 5: Solve for x
x = 4,735,512,154,082,334/63,163,542.76 - Step 6: Final answer
x = 74,972,237.89
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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.