Finding the Fourth Proportional to 260,636,679.99, 390,765,466.55 and 122,391,050.49
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Solution
The fourth proportional to 260,636,679.99, 390,765,466.55 and 122,391,050.49 is: 183,497,564.30
Step by Step Solution
- Step 1: Write the proportion equation
260,636,679.99 : 390,765,466.55 = 122,391,050.49 : x - Step 2: Convert to fraction form
260,636,679.99/390,765,466.55 = 122,391,050.49/x - Step 3: Cross multiply
260,636,679.99x = 390,765,466.55 × 122,391,050.49 - Step 4: Simplify right side
260,636,679.99x = 47,826,195,945,657,504 - Step 5: Solve for x
x = 47,826,195,945,657,504/260,636,679.99 - Step 6: Final answer
x = 183,497,564.30
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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.