Finding the Fourth Proportional to 311,518,726.06, 430,028,210.64 and 194,102,068.48
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Solution
The fourth proportional to 311,518,726.06, 430,028,210.64 and 194,102,068.48 is: 267,943,331.19
Step by Step Solution
- Step 1: Write the proportion equation
311,518,726.06 : 430,028,210.64 = 194,102,068.48 : x - Step 2: Convert to fraction form
311,518,726.06/430,028,210.64 = 194,102,068.48/x - Step 3: Cross multiply
311,518,726.06x = 430,028,210.64 × 194,102,068.48 - Step 4: Simplify right side
311,518,726.06x = 83,469,365,189,977,136 - Step 5: Solve for x
x = 83,469,365,189,977,136/311,518,726.06 - Step 6: Final answer
x = 267,943,331.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.