Finding the Fourth Proportional to 157,464,310.30, 235,771,312.65 and 157,464,310.30
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Solution
The fourth proportional to 157,464,310.30, 235,771,312.65 and 157,464,310.30 is: 235,771,312.65
Step by Step Solution
- Step 1: Write the proportion equation
157,464,310.30 : 235,771,312.65 = 157,464,310.30 : x - Step 2: Convert to fraction form
157,464,310.30/235,771,312.65 = 157,464,310.30/x - Step 3: Cross multiply
157,464,310.30x = 235,771,312.65 × 157,464,310.30 - Step 4: Simplify right side
157,464,310.30x = 37,125,567,134,957,920 - Step 5: Solve for x
x = 37,125,567,134,957,920/157,464,310.30 - Step 6: Final answer
x = 235,771,312.65
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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.