Finding the Fourth Proportional to 199,747,801.20, 299,621,701.80 and 56,140,633.20
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Solution
The fourth proportional to 199,747,801.20, 299,621,701.80 and 56,140,633.20 is: 84,210,949.80
Step by Step Solution
- Step 1: Write the proportion equation
199,747,801.20 : 299,621,701.80 = 56,140,633.20 : x - Step 2: Convert to fraction form
199,747,801.20/299,621,701.80 = 56,140,633.20/x - Step 3: Cross multiply
199,747,801.20x = 299,621,701.80 × 56,140,633.20 - Step 4: Simplify right side
199,747,801.20x = 16,820,952,059,513,582 - Step 5: Solve for x
x = 16,820,952,059,513,582/199,747,801.20 - Step 6: Final answer
x = 84,210,949.80
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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.