Finding the Fourth Proportional to 68,170,074.04, 94,077,023.62 and 40,316,660.74
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Solution
The fourth proportional to 68,170,074.04, 94,077,023.62 and 40,316,660.74 is: 55,638,364.75
Step by Step Solution
- Step 1: Write the proportion equation
68,170,074.04 : 94,077,023.62 = 40,316,660.74 : x - Step 2: Convert to fraction form
68,170,074.04/94,077,023.62 = 40,316,660.74/x - Step 3: Cross multiply
68,170,074.04x = 94,077,023.62 × 40,316,660.74 - Step 4: Simplify right side
68,170,074.04x = 3,792,871,444,716,507 - Step 5: Solve for x
x = 3,792,871,444,716,507/68,170,074.04 - Step 6: Final answer
x = 55,638,364.75
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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.