Finding the Fourth Proportional to 83,805,768.64, 125,671,998.84 and 42,281,090.28
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Solution
The fourth proportional to 83,805,768.64, 125,671,998.84 and 42,281,090.28 is: 63,403,142.94
Step by Step Solution
- Step 1: Write the proportion equation
83,805,768.64 : 125,671,998.84 = 42,281,090.28 : x - Step 2: Convert to fraction form
83,805,768.64/125,671,998.84 = 42,281,090.28/x - Step 3: Cross multiply
83,805,768.64x = 125,671,998.84 × 42,281,090.28 - Step 4: Simplify right side
83,805,768.64x = 5,313,549,128,622,096 - Step 5: Solve for x
x = 5,313,549,128,622,096/83,805,768.64 - Step 6: Final answer
x = 63,403,142.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.