Finding the Fourth Proportional to 134,838,000.60, 202,257,000.90 and 77,507,107.80
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Solution
The fourth proportional to 134,838,000.60, 202,257,000.90 and 77,507,107.80 is: 116,260,661.70
Step by Step Solution
- Step 1: Write the proportion equation
134,838,000.60 : 202,257,000.90 = 77,507,107.80 : x - Step 2: Convert to fraction form
134,838,000.60/202,257,000.90 = 77,507,107.80/x - Step 3: Cross multiply
134,838,000.60x = 202,257,000.90 × 77,507,107.80 - Step 4: Simplify right side
134,838,000.60x = 15,676,355,172,060,996 - Step 5: Solve for x
x = 15,676,355,172,060,996/134,838,000.60 - Step 6: Final answer
x = 116,260,661.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.