Finding the Fourth Proportional to 73,292,094.77, 109,938,079.55 and 18,704,675.96
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Solution
The fourth proportional to 73,292,094.77, 109,938,079.55 and 18,704,675.96 is: 28,056,997.95
Step by Step Solution
- Step 1: Write the proportion equation
73,292,094.77 : 109,938,079.55 = 18,704,675.96 : x - Step 2: Convert to fraction form
73,292,094.77/109,938,079.55 = 18,704,675.96/x - Step 3: Cross multiply
73,292,094.77x = 109,938,079.55 × 18,704,675.96 - Step 4: Simplify right side
73,292,094.77x = 2,056,356,153,144,523.50 - Step 5: Solve for x
x = 2,056,356,153,144,523.50/73,292,094.77 - Step 6: Final answer
x = 28,056,997.95
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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.