Finding the Fourth Proportional to 297,943,773.02, 446,625,813.42 and 142,457,175.26
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Solution
The fourth proportional to 297,943,773.02, 446,625,813.42 and 142,457,175.26 is: 213,547,177.49
Step by Step Solution
- Step 1: Write the proportion equation
297,943,773.02 : 446,625,813.42 = 142,457,175.26 : x - Step 2: Convert to fraction form
297,943,773.02/446,625,813.42 = 142,457,175.26/x - Step 3: Cross multiply
297,943,773.02x = 446,625,813.42 × 142,457,175.26 - Step 4: Simplify right side
297,943,773.02x = 63,625,051,778,013,000 - Step 5: Solve for x
x = 63,625,051,778,013,000/297,943,773.02 - Step 6: Final answer
x = 213,547,177.49
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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.