Finding the Fourth Proportional to 251,963,104.76, 347,709,081.68 and 136,069,600.76
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Solution
The fourth proportional to 251,963,104.76, 347,709,081.68 and 136,069,600.76 is: 187,776,047.49
Step by Step Solution
- Step 1: Write the proportion equation
251,963,104.76 : 347,709,081.68 = 136,069,600.76 : x - Step 2: Convert to fraction form
251,963,104.76/347,709,081.68 = 136,069,600.76/x - Step 3: Cross multiply
251,963,104.76x = 347,709,081.68 × 136,069,600.76 - Step 4: Simplify right side
251,963,104.76x = 47,312,635,924,823,824 - Step 5: Solve for x
x = 47,312,635,924,823,824/251,963,104.76 - Step 6: Final answer
x = 187,776,047.49
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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.