Finding the Fourth Proportional to 168,316,530.40, 251,996,498.70 and 149,184,654.40
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Solution
The fourth proportional to 168,316,530.40, 251,996,498.70 and 149,184,654.40 is: 223,353,050.82
Step by Step Solution
- Step 1: Write the proportion equation
168,316,530.40 : 251,996,498.70 = 149,184,654.40 : x - Step 2: Convert to fraction form
168,316,530.40/251,996,498.70 = 149,184,654.40/x - Step 3: Cross multiply
168,316,530.40x = 251,996,498.70 × 149,184,654.40 - Step 4: Simplify right side
168,316,530.40x = 37,594,010,568,569,552 - Step 5: Solve for x
x = 37,594,010,568,569,552/168,316,530.40 - Step 6: Final answer
x = 223,353,050.82
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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.