Finding the Fourth Proportional to 67,607,995.80, 101,411,993.70 and 40,734,139.80
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Solution
The fourth proportional to 67,607,995.80, 101,411,993.70 and 40,734,139.80 is: 61,101,209.70
Step by Step Solution
- Step 1: Write the proportion equation
67,607,995.80 : 101,411,993.70 = 40,734,139.80 : x - Step 2: Convert to fraction form
67,607,995.80/101,411,993.70 = 40,734,139.80/x - Step 3: Cross multiply
67,607,995.80x = 101,411,993.70 × 40,734,139.80 - Step 4: Simplify right side
67,607,995.80x = 4,130,930,328,772,519 - Step 5: Solve for x
x = 4,130,930,328,772,519/67,607,995.80 - Step 6: Final answer
x = 61,101,209.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.