Finding the Fourth Proportional to 63,148,027.12, 87,144,276.60 and 34,174,651.12
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Solution
The fourth proportional to 63,148,027.12, 87,144,276.60 and 34,174,651.12 is: 47,161,018.10
Step by Step Solution
- Step 1: Write the proportion equation
63,148,027.12 : 87,144,276.60 = 34,174,651.12 : x - Step 2: Convert to fraction form
63,148,027.12/87,144,276.60 = 34,174,651.12/x - Step 3: Cross multiply
63,148,027.12x = 87,144,276.60 × 34,174,651.12 - Step 4: Simplify right side
63,148,027.12x = 2,978,125,249,909,779.50 - Step 5: Solve for x
x = 2,978,125,249,909,779.50/63,148,027.12 - Step 6: Final answer
x = 47,161,018.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.