Finding the Fourth Proportional to 316,878,346.92, 474,982,047.74 and 106,588,840.88
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Solution
The fourth proportional to 316,878,346.92, 474,982,047.74 and 106,588,840.88 is: 159,770,417.89
Step by Step Solution
- Step 1: Write the proportion equation
316,878,346.92 : 474,982,047.74 = 106,588,840.88 : x - Step 2: Convert to fraction form
316,878,346.92/474,982,047.74 = 106,588,840.88/x - Step 3: Cross multiply
316,878,346.92x = 474,982,047.74 × 106,588,840.88 - Step 4: Simplify right side
316,878,346.92x = 50,627,785,907,415,424 - Step 5: Solve for x
x = 50,627,785,907,415,424/316,878,346.92 - Step 6: Final answer
x = 159,770,417.89
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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.