Finding the Fourth Proportional to 149,999,905.08, 207,032,241.60 and 91,281,487.14
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Solution
The fourth proportional to 149,999,905.08, 207,032,241.60 and 91,281,487.14 is: 125,988,152.39
Step by Step Solution
- Step 1: Write the proportion equation
149,999,905.08 : 207,032,241.60 = 91,281,487.14 : x - Step 2: Convert to fraction form
149,999,905.08/207,032,241.60 = 91,281,487.14/x - Step 3: Cross multiply
149,999,905.08x = 207,032,241.60 × 91,281,487.14 - Step 4: Simplify right side
149,999,905.08x = 18,898,210,899,175,772 - Step 5: Solve for x
x = 18,898,210,899,175,772/149,999,905.08 - Step 6: Final answer
x = 125,988,152.39
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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.