Finding the Fourth Proportional to 59,188,657.80, 88,780,985.58 and 20,849,169.99
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Solution
The fourth proportional to 59,188,657.80, 88,780,985.58 and 20,849,169.99 is: 31,273,050.09
Step by Step Solution
- Step 1: Write the proportion equation
59,188,657.80 : 88,780,985.58 = 20,849,169.99 : x - Step 2: Convert to fraction form
59,188,657.80/88,780,985.58 = 20,849,169.99/x - Step 3: Cross multiply
59,188,657.80x = 88,780,985.58 × 20,849,169.99 - Step 4: Simplify right side
59,188,657.80x = 1,851,009,860,237,158.50 - Step 5: Solve for x
x = 1,851,009,860,237,158.50/59,188,657.80 - Step 6: Final answer
x = 31,273,050.09
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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.