Finding the Fourth Proportional to 273,991,848.75, 378,163,681.56 and 162,544,549.95
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Solution
The fourth proportional to 273,991,848.75, 378,163,681.56 and 162,544,549.95 is: 224,344,066.10
Step by Step Solution
- Step 1: Write the proportion equation
273,991,848.75 : 378,163,681.56 = 162,544,549.95 : x - Step 2: Convert to fraction form
273,991,848.75/378,163,681.56 = 162,544,549.95/x - Step 3: Cross multiply
273,991,848.75x = 378,163,681.56 × 162,544,549.95 - Step 4: Simplify right side
273,991,848.75x = 61,468,445,426,605,312 - Step 5: Solve for x
x = 61,468,445,426,605,312/273,991,848.75 - Step 6: Final answer
x = 224,344,066.10
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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.