Finding the Fourth Proportional to 260,815,676.36, 359,933,733.16 and 143,338,871.84
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Solution
The fourth proportional to 260,815,676.36, 359,933,733.16 and 143,338,871.84 is: 197,812,094.61
Step by Step Solution
- Step 1: Write the proportion equation
260,815,676.36 : 359,933,733.16 = 143,338,871.84 : x - Step 2: Convert to fraction form
260,815,676.36/359,933,733.16 = 143,338,871.84/x - Step 3: Cross multiply
260,815,676.36x = 359,933,733.16 × 143,338,871.84 - Step 4: Simplify right side
260,815,676.36x = 51,592,495,248,314,000 - Step 5: Solve for x
x = 51,592,495,248,314,000/260,815,676.36 - Step 6: Final answer
x = 197,812,094.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.