Finding the Fourth Proportional to 193,133,848.29, 266,521,015.47 and 106,213,720.29
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Solution
The fourth proportional to 193,133,848.29, 266,521,015.47 and 106,213,720.29 is: 146,572,901.85
Step by Step Solution
- Step 1: Write the proportion equation
193,133,848.29 : 266,521,015.47 = 106,213,720.29 : x - Step 2: Convert to fraction form
193,133,848.29/266,521,015.47 = 106,213,720.29/x - Step 3: Cross multiply
193,133,848.29x = 266,521,015.47 × 106,213,720.29 - Step 4: Simplify right side
193,133,848.29x = 28,308,188,588,537,344 - Step 5: Solve for x
x = 28,308,188,588,537,344/193,133,848.29 - Step 6: Final answer
x = 146,572,901.85
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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.