Finding the Fourth Proportional to 292,341,212.84, 438,567,125.40 and 117,477,859.12
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Solution
The fourth proportional to 292,341,212.84, 438,567,125.40 and 117,477,859.12 is: 176,239,013.56
Step by Step Solution
- Step 1: Write the proportion equation
292,341,212.84 : 438,567,125.40 = 117,477,859.12 : x - Step 2: Convert to fraction form
292,341,212.84/438,567,125.40 = 117,477,859.12/x - Step 3: Cross multiply
292,341,212.84x = 438,567,125.40 × 117,477,859.12 - Step 4: Simplify right side
292,341,212.84x = 51,521,926,972,404,576 - Step 5: Solve for x
x = 51,521,926,972,404,576/292,341,212.84 - Step 6: Final answer
x = 176,239,013.56
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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.