Finding the Fourth Proportional to 127,352,056.53, 175,746,433.17 and 72,350,931.09
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Solution
The fourth proportional to 127,352,056.53, 175,746,433.17 and 72,350,931.09 is: 99,844,623.02
Step by Step Solution
- Step 1: Write the proportion equation
127,352,056.53 : 175,746,433.17 = 72,350,931.09 : x - Step 2: Convert to fraction form
127,352,056.53/175,746,433.17 = 72,350,931.09/x - Step 3: Cross multiply
127,352,056.53x = 175,746,433.17 × 72,350,931.09 - Step 4: Simplify right side
127,352,056.53x = 12,715,418,075,595,960 - Step 5: Solve for x
x = 12,715,418,075,595,960/127,352,056.53 - Step 6: Final answer
x = 99,844,623.02
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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.