Finding the Fourth Proportional to 202,997,507.13, 279,059,589.36 and 174,636,384.21
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Solution
The fourth proportional to 202,997,507.13, 279,059,589.36 and 174,636,384.21 is: 240,071,705.09
Step by Step Solution
- Step 1: Write the proportion equation
202,997,507.13 : 279,059,589.36 = 174,636,384.21 : x - Step 2: Convert to fraction form
202,997,507.13/279,059,589.36 = 174,636,384.21/x - Step 3: Cross multiply
202,997,507.13x = 279,059,589.36 × 174,636,384.21 - Step 4: Simplify right side
202,997,507.13x = 48,733,957,664,957,792 - Step 5: Solve for x
x = 48,733,957,664,957,792/202,997,507.13 - Step 6: Final answer
x = 240,071,705.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.