Finding the Fourth Proportional to 69,979,671.87, 96,571,988.75 and 39,039,841.19
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Solution
The fourth proportional to 69,979,671.87, 96,571,988.75 and 39,039,841.19 is: 53,875,004.03
Step by Step Solution
- Step 1: Write the proportion equation
69,979,671.87 : 96,571,988.75 = 39,039,841.19 : x - Step 2: Convert to fraction form
69,979,671.87/96,571,988.75 = 39,039,841.19/x - Step 3: Cross multiply
69,979,671.87x = 96,571,988.75 × 39,039,841.19 - Step 4: Simplify right side
69,979,671.87x = 3,770,155,103,817,206.50 - Step 5: Solve for x
x = 3,770,155,103,817,206.50/69,979,671.87 - Step 6: Final answer
x = 53,875,004.03
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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.