Finding the Fourth Proportional to 163,903,207.80, 245,867,253.30 and 48,878,772.60
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Solution
The fourth proportional to 163,903,207.80, 245,867,253.30 and 48,878,772.60 is: 73,321,869.20
Step by Step Solution
- Step 1: Write the proportion equation
163,903,207.80 : 245,867,253.30 = 48,878,772.60 : x - Step 2: Convert to fraction form
163,903,207.80/245,867,253.30 = 48,878,772.60/x - Step 3: Cross multiply
163,903,207.80x = 245,867,253.30 × 48,878,772.60 - Step 4: Simplify right side
163,903,207.80x = 12,017,689,563,837,300 - Step 5: Solve for x
x = 12,017,689,563,837,300/163,903,207.80 - Step 6: Final answer
x = 73,321,869.20
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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.