Finding the Fourth Proportional to 199,248,538.80, 298,872,808.20 and 97,211,866.80
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Solution
The fourth proportional to 199,248,538.80, 298,872,808.20 and 97,211,866.80 is: 145,817,800.20
Step by Step Solution
- Step 1: Write the proportion equation
199,248,538.80 : 298,872,808.20 = 97,211,866.80 : x - Step 2: Convert to fraction form
199,248,538.80/298,872,808.20 = 97,211,866.80/x - Step 3: Cross multiply
199,248,538.80x = 298,872,808.20 × 97,211,866.80 - Step 4: Simplify right side
199,248,538.80x = 29,053,983,620,880,344 - Step 5: Solve for x
x = 29,053,983,620,880,344/199,248,538.80 - Step 6: Final answer
x = 145,817,800.20
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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.