Finding the Fourth Proportional to 117,723,041.08, 176,465,855.44 and 74,035,021.20
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Solution
The fourth proportional to 117,723,041.08, 176,465,855.44 and 74,035,021.20 is: 110,977,878.49
Step by Step Solution
- Step 1: Write the proportion equation
117,723,041.08 : 176,465,855.44 = 74,035,021.20 : x - Step 2: Convert to fraction form
117,723,041.08/176,465,855.44 = 74,035,021.20/x - Step 3: Cross multiply
117,723,041.08x = 176,465,855.44 × 74,035,021.20 - Step 4: Simplify right side
117,723,041.08x = 13,064,653,348,576,536 - Step 5: Solve for x
x = 13,064,653,348,576,536/117,723,041.08 - Step 6: Final answer
x = 110,977,878.49
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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.