Finding the Fourth Proportional to 71,380,935.79, 107,070,536.50 and 19,565,494.81
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Solution
The fourth proportional to 71,380,935.79, 107,070,536.50 and 19,565,494.81 is: 29,348,004.52
Step by Step Solution
- Step 1: Write the proportion equation
71,380,935.79 : 107,070,536.50 = 19,565,494.81 : x - Step 2: Convert to fraction form
71,380,935.79/107,070,536.50 = 19,565,494.81/x - Step 3: Cross multiply
71,380,935.79x = 107,070,536.50 × 19,565,494.81 - Step 4: Simplify right side
71,380,935.79x = 2,094,888,025,878,075.75 - Step 5: Solve for x
x = 2,094,888,025,878,075.75/71,380,935.79 - Step 6: Final answer
x = 29,348,004.52
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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.