Finding the Fourth Proportional to 149,950,840.32, 224,936,129.55 and 39,289,219.88
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Solution
The fourth proportional to 149,950,840.32, 224,936,129.55 and 39,289,219.88 is: 58,936,415.65
Step by Step Solution
- Step 1: Write the proportion equation
149,950,840.32 : 224,936,129.55 = 39,289,219.88 : x - Step 2: Convert to fraction form
149,950,840.32/224,936,129.55 = 39,289,219.88/x - Step 3: Cross multiply
149,950,840.32x = 224,936,129.55 × 39,289,219.88 - Step 4: Simplify right side
149,950,840.32x = 8,837,565,051,721,435 - Step 5: Solve for x
x = 8,837,565,051,721,435/149,950,840.32 - Step 6: Final answer
x = 58,936,415.65
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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.