Finding the Fourth Proportional to 70,125,248.40, 96,770,984.76 and 39,185,671.92
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Solution
The fourth proportional to 70,125,248.40, 96,770,984.76 and 39,185,671.92 is: 54,075,188.99
Step by Step Solution
- Step 1: Write the proportion equation
70,125,248.40 : 96,770,984.76 = 39,185,671.92 : x - Step 2: Convert to fraction form
70,125,248.40/96,770,984.76 = 39,185,671.92/x - Step 3: Cross multiply
70,125,248.40x = 96,770,984.76 × 39,185,671.92 - Step 4: Simplify right side
70,125,248.40x = 3,792,036,060,180,680.50 - Step 5: Solve for x
x = 3,792,036,060,180,680.50/70,125,248.40 - Step 6: Final answer
x = 54,075,188.99
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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.