Finding the Fourth Proportional to 74,756,496.69, 103,163,985.99 and 41,265,996.12
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Solution
The fourth proportional to 74,756,496.69, 103,163,985.99 and 41,265,996.12 is: 56,947,085.99
Step by Step Solution
- Step 1: Write the proportion equation
74,756,496.69 : 103,163,985.99 = 41,265,996.12 : x - Step 2: Convert to fraction form
74,756,496.69/103,163,985.99 = 41,265,996.12/x - Step 3: Cross multiply
74,756,496.69x = 103,163,985.99 × 41,265,996.12 - Step 4: Simplify right side
74,756,496.69x = 4,257,164,645,587,074 - Step 5: Solve for x
x = 4,257,164,645,587,074/74,756,496.69 - Step 6: Final answer
x = 56,947,085.99
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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.