Finding the Fourth Proportional to 119,681,056.63, 165,167,259.62 and 66,035,455.59
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Solution
The fourth proportional to 119,681,056.63, 165,167,259.62 and 66,035,455.59 is: 91,133,012.56
Step by Step Solution
- Step 1: Write the proportion equation
119,681,056.63 : 165,167,259.62 = 66,035,455.59 : x - Step 2: Convert to fraction form
119,681,056.63/165,167,259.62 = 66,035,455.59/x - Step 3: Cross multiply
119,681,056.63x = 165,167,259.62 × 66,035,455.59 - Step 4: Simplify right side
119,681,056.63x = 10,906,895,237,558,512 - Step 5: Solve for x
x = 10,906,895,237,558,512/119,681,056.63 - Step 6: Final answer
x = 91,133,012.56
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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.