Finding the Fourth Proportional to 193,254,009.37, 266,682,545.98 and 105,148,349.64
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Solution
The fourth proportional to 193,254,009.37, 266,682,545.98 and 105,148,349.64 is: 145,100,376.85
Step by Step Solution
- Step 1: Write the proportion equation
193,254,009.37 : 266,682,545.98 = 105,148,349.64 : x - Step 2: Convert to fraction form
193,254,009.37/266,682,545.98 = 105,148,349.64/x - Step 3: Cross multiply
193,254,009.37x = 266,682,545.98 × 105,148,349.64 - Step 4: Simplify right side
193,254,009.37x = 28,041,229,587,327,544 - Step 5: Solve for x
x = 28,041,229,587,327,544/193,254,009.37 - Step 6: Final answer
x = 145,100,376.85
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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.