Finding the Fourth Proportional to 68,243,887.36, 102,365,831.44 and 22,805,681.84
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Solution
The fourth proportional to 68,243,887.36, 102,365,831.44 and 22,805,681.84 is: 34,208,522.89
Step by Step Solution
- Step 1: Write the proportion equation
68,243,887.36 : 102,365,831.44 = 22,805,681.84 : x - Step 2: Convert to fraction form
68,243,887.36/102,365,831.44 = 22,805,681.84/x - Step 3: Cross multiply
68,243,887.36x = 102,365,831.44 × 22,805,681.84 - Step 4: Simplify right side
68,243,887.36x = 2,334,522,583,107,709 - Step 5: Solve for x
x = 2,334,522,583,107,709/68,243,887.36 - Step 6: Final answer
x = 34,208,522.89
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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.