Finding the Fourth Proportional to 49,411,681.63, 68,148,361.03 and 43,438,316.48
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Solution
The fourth proportional to 49,411,681.63, 68,148,361.03 and 43,438,316.48 is: 59,909,923.65
Step by Step Solution
- Step 1: Write the proportion equation
49,411,681.63 : 68,148,361.03 = 43,438,316.48 : x - Step 2: Convert to fraction form
49,411,681.63/68,148,361.03 = 43,438,316.48/x - Step 3: Cross multiply
49,411,681.63x = 68,148,361.03 × 43,438,316.48 - Step 4: Simplify right side
49,411,681.63x = 2,960,250,074,014,438.50 - Step 5: Solve for x
x = 2,960,250,074,014,438.50/49,411,681.63 - Step 6: Final answer
x = 59,909,923.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.