Finding the Fourth Proportional to 133,723,747.48, 184,565,236.62 and 86,739,048.68
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Solution
The fourth proportional to 133,723,747.48, 184,565,236.62 and 86,739,048.68 is: 119,717,053.59
Step by Step Solution
- Step 1: Write the proportion equation
133,723,747.48 : 184,565,236.62 = 86,739,048.68 : x - Step 2: Convert to fraction form
133,723,747.48/184,565,236.62 = 86,739,048.68/x - Step 3: Cross multiply
133,723,747.48x = 184,565,236.62 × 86,739,048.68 - Step 4: Simplify right side
133,723,747.48x = 16,009,013,043,817,900 - Step 5: Solve for x
x = 16,009,013,043,817,900/133,723,747.48 - Step 6: Final answer
x = 119,717,053.59
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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.