Finding the Fourth Proportional to 293,423,725.20, 440,135,587.80 and 140,368,717.20
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Solution
The fourth proportional to 293,423,725.20, 440,135,587.80 and 140,368,717.20 is: 210,553,075.80
Step by Step Solution
- Step 1: Write the proportion equation
293,423,725.20 : 440,135,587.80 = 140,368,717.20 : x - Step 2: Convert to fraction form
293,423,725.20/440,135,587.80 = 140,368,717.20/x - Step 3: Cross multiply
293,423,725.20x = 440,135,587.80 × 140,368,717.20 - Step 4: Simplify right side
293,423,725.20x = 61,781,267,853,553,968 - Step 5: Solve for x
x = 61,781,267,853,553,968/293,423,725.20 - Step 6: Final answer
x = 210,553,075.80
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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.