Finding the Fourth Proportional to 315,467,798.77, 473,216,312.58 and 97,127,920.72
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Solution
The fourth proportional to 315,467,798.77, 473,216,312.58 and 97,127,920.72 is: 145,696,380.65
Step by Step Solution
- Step 1: Write the proportion equation
315,467,798.77 : 473,216,312.58 = 97,127,920.72 : x - Step 2: Convert to fraction form
315,467,798.77/473,216,312.58 = 97,127,920.72/x - Step 3: Cross multiply
315,467,798.77x = 473,216,312.58 × 97,127,920.72 - Step 4: Simplify right side
315,467,798.77x = 45,962,516,491,680,976 - Step 5: Solve for x
x = 45,962,516,491,680,976/315,467,798.77 - Step 6: Final answer
x = 145,696,380.65
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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.