Finding the Fourth Proportional to 68,245,315.80, 102,367,973.70 and 22,187,095.80
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Solution
The fourth proportional to 68,245,315.80, 102,367,973.70 and 22,187,095.80 is: 33,280,643.70
Step by Step Solution
- Step 1: Write the proportion equation
68,245,315.80 : 102,367,973.70 = 22,187,095.80 : x - Step 2: Convert to fraction form
68,245,315.80/102,367,973.70 = 22,187,095.80/x - Step 3: Cross multiply
68,245,315.80x = 102,367,973.70 × 22,187,095.80 - Step 4: Simplify right side
68,245,315.80x = 2,271,248,039,333,780.50 - Step 5: Solve for x
x = 2,271,248,039,333,780.50/68,245,315.80 - Step 6: Final answer
x = 33,280,643.70
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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.