Finding the Fourth Proportional to 315,363,358.32, 473,046,201.72 and 97,012,188.24
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Solution
The fourth proportional to 315,363,358.32, 473,046,201.72 and 97,012,188.24 is: 145,518,640.50
Step by Step Solution
- Step 1: Write the proportion equation
315,363,358.32 : 473,046,201.72 = 97,012,188.24 : x - Step 2: Convert to fraction form
315,363,358.32/473,046,201.72 = 97,012,188.24/x - Step 3: Cross multiply
315,363,358.32x = 473,046,201.72 × 97,012,188.24 - Step 4: Simplify right side
315,363,358.32x = 45,891,247,167,477,656 - Step 5: Solve for x
x = 45,891,247,167,477,656/315,363,358.32 - Step 6: Final answer
x = 145,518,640.50
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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.