Finding the Fourth Proportional to 243,125,848.72, 335,513,774.84 and 131,616,686.48
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Solution
The fourth proportional to 243,125,848.72, 335,513,774.84 and 131,616,686.48 is: 181,631,083.43
Step by Step Solution
- Step 1: Write the proportion equation
243,125,848.72 : 335,513,774.84 = 131,616,686.48 : x - Step 2: Convert to fraction form
243,125,848.72/335,513,774.84 = 131,616,686.48/x - Step 3: Cross multiply
243,125,848.72x = 335,513,774.84 × 131,616,686.48 - Step 4: Simplify right side
243,125,848.72x = 44,159,211,312,837,592 - Step 5: Solve for x
x = 44,159,211,312,837,592/243,125,848.72 - Step 6: Final answer
x = 181,631,083.43
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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.