Finding the Fourth Proportional to 74,292,327.56, 111,438,342.84 and 19,710,384.14
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Solution
The fourth proportional to 74,292,327.56, 111,438,342.84 and 19,710,384.14 is: 29,565,536.81
Step by Step Solution
- Step 1: Write the proportion equation
74,292,327.56 : 111,438,342.84 = 19,710,384.14 : x - Step 2: Convert to fraction form
74,292,327.56/111,438,342.84 = 19,710,384.14/x - Step 3: Cross multiply
74,292,327.56x = 111,438,342.84 × 19,710,384.14 - Step 4: Simplify right side
74,292,327.56x = 2,196,492,545,301,418.75 - Step 5: Solve for x
x = 2,196,492,545,301,418.75/74,292,327.56 - Step 6: Final answer
x = 29,565,536.81
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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.