Finding the Fourth Proportional to 230,385,118.77, 345,823,595.98 and 99,292,090.05
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Solution
The fourth proportional to 230,385,118.77, 345,823,595.98 and 99,292,090.05 is: 149,044,121.50
Step by Step Solution
- Step 1: Write the proportion equation
230,385,118.77 : 345,823,595.98 = 99,292,090.05 : x - Step 2: Convert to fraction form
230,385,118.77/345,823,595.98 = 99,292,090.05/x - Step 3: Cross multiply
230,385,118.77x = 345,823,595.98 × 99,292,090.05 - Step 4: Simplify right side
230,385,118.77x = 34,337,547,633,212,748 - Step 5: Solve for x
x = 34,337,547,633,212,748/230,385,118.77 - Step 6: Final answer
x = 149,044,121.50
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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.