Finding the Fourth Proportional to 178,159,421.70, 267,239,132.55 and 149,461,607.70
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Solution
The fourth proportional to 178,159,421.70, 267,239,132.55 and 149,461,607.70 is: 224,192,411.55
Step by Step Solution
- Step 1: Write the proportion equation
178,159,421.70 : 267,239,132.55 = 149,461,607.70 : x - Step 2: Convert to fraction form
178,159,421.70/267,239,132.55 = 149,461,607.70/x - Step 3: Cross multiply
178,159,421.70x = 267,239,132.55 × 149,461,607.70 - Step 4: Simplify right side
178,159,421.70x = 39,941,990,391,276,400 - Step 5: Solve for x
x = 39,941,990,391,276,400/178,159,421.70 - Step 6: Final answer
x = 224,192,411.55
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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.