Finding the Fourth Proportional to 167,838,115.48, 251,784,077.16 and 70,808,115.44
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Solution
The fourth proportional to 167,838,115.48, 251,784,077.16 and 70,808,115.44 is: 106,223,523.49
Step by Step Solution
- Step 1: Write the proportion equation
167,838,115.48 : 251,784,077.16 = 70,808,115.44 : x - Step 2: Convert to fraction form
167,838,115.48/251,784,077.16 = 70,808,115.44/x - Step 3: Cross multiply
167,838,115.48x = 251,784,077.16 × 70,808,115.44 - Step 4: Simplify right side
167,838,115.48x = 17,828,356,001,499,146 - Step 5: Solve for x
x = 17,828,356,001,499,146/167,838,115.48 - Step 6: Final answer
x = 106,223,523.49
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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.