Finding the Fourth Proportional to 126,628,498.98, 174,747,251.61 and 68,681,746.98
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Solution
The fourth proportional to 126,628,498.98, 174,747,251.61 and 68,681,746.98 is: 94,780,769.08
Step by Step Solution
- Step 1: Write the proportion equation
126,628,498.98 : 174,747,251.61 = 68,681,746.98 : x - Step 2: Convert to fraction form
126,628,498.98/174,747,251.61 = 68,681,746.98/x - Step 3: Cross multiply
126,628,498.98x = 174,747,251.61 × 68,681,746.98 - Step 4: Simplify right side
126,628,498.98x = 12,001,946,520,528,420 - Step 5: Solve for x
x = 12,001,946,520,528,420/126,628,498.98 - Step 6: Final answer
x = 94,780,769.08
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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.