Finding the Fourth Proportional to 69,449,630.29, 104,174,390.76 and 20,927,484.65
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Solution
The fourth proportional to 69,449,630.29, 104,174,390.76 and 20,927,484.65 is: 31,391,210.50
Step by Step Solution
- Step 1: Write the proportion equation
69,449,630.29 : 104,174,390.76 = 20,927,484.65 : x - Step 2: Convert to fraction form
69,449,630.29/104,174,390.76 = 20,927,484.65/x - Step 3: Cross multiply
69,449,630.29x = 104,174,390.76 × 20,927,484.65 - Step 4: Simplify right side
69,449,630.29x = 2,180,107,963,734,959.50 - Step 5: Solve for x
x = 2,180,107,963,734,959.50/69,449,630.29 - Step 6: Final answer
x = 31,391,210.50
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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.