Finding the Fourth Proportional to 49,063,742.68, 67,708,412.70 and 27,038,032.40
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Solution
The fourth proportional to 49,063,742.68, 67,708,412.70 and 27,038,032.40 is: 37,312,731.49
Step by Step Solution
- Step 1: Write the proportion equation
49,063,742.68 : 67,708,412.70 = 27,038,032.40 : x - Step 2: Convert to fraction form
49,063,742.68/67,708,412.70 = 27,038,032.40/x - Step 3: Cross multiply
49,063,742.68x = 67,708,412.70 × 27,038,032.40 - Step 4: Simplify right side
49,063,742.68x = 1,830,702,256,335,171.50 - Step 5: Solve for x
x = 1,830,702,256,335,171.50/49,063,742.68 - Step 6: Final answer
x = 37,312,731.49
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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.