Finding the Fourth Proportional to 163,069,155.18, 224,949,679.26 and 96,942,615.92
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Solution
The fourth proportional to 163,069,155.18, 224,949,679.26 and 96,942,615.92 is: 133,729,829.74
Step by Step Solution
- Step 1: Write the proportion equation
163,069,155.18 : 224,949,679.26 = 96,942,615.92 : x - Step 2: Convert to fraction form
163,069,155.18/224,949,679.26 = 96,942,615.92/x - Step 3: Cross multiply
163,069,155.18x = 224,949,679.26 × 96,942,615.92 - Step 4: Simplify right side
163,069,155.18x = 21,807,210,357,829,368 - Step 5: Solve for x
x = 21,807,210,357,829,368/163,069,155.18 - Step 6: Final answer
x = 133,729,829.74
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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.