Finding the Fourth Proportional to 243,031,707.75, 335,386,905.98 and 133,021,058.79
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Solution
The fourth proportional to 243,031,707.75, 335,386,905.98 and 133,021,058.79 is: 183,570,784.86
Step by Step Solution
- Step 1: Write the proportion equation
243,031,707.75 : 335,386,905.98 = 133,021,058.79 : x - Step 2: Convert to fraction form
243,031,707.75/335,386,905.98 = 133,021,058.79/x - Step 3: Cross multiply
243,031,707.75x = 335,386,905.98 × 133,021,058.79 - Step 4: Simplify right side
243,031,707.75x = 44,613,521,337,761,784 - Step 5: Solve for x
x = 44,613,521,337,761,784/243,031,707.75 - Step 6: Final answer
x = 183,570,784.86
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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.