Finding the Fourth Proportional to 124,848,004.80, 187,272,007.20 and 79,610,347.20
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Solution
The fourth proportional to 124,848,004.80, 187,272,007.20 and 79,610,347.20 is: 119,415,520.80
Step by Step Solution
- Step 1: Write the proportion equation
124,848,004.80 : 187,272,007.20 = 79,610,347.20 : x - Step 2: Convert to fraction form
124,848,004.80/187,272,007.20 = 79,610,347.20/x - Step 3: Cross multiply
124,848,004.80x = 187,272,007.20 × 79,610,347.20 - Step 4: Simplify right side
124,848,004.80x = 14,908,789,514,032,900 - Step 5: Solve for x
x = 14,908,789,514,032,900/124,848,004.80 - Step 6: Final answer
x = 119,415,520.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.