Finding the Fourth Proportional to 74,748,688.40, 112,123,032.60 and 48,920,655.80
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Solution
The fourth proportional to 74,748,688.40, 112,123,032.60 and 48,920,655.80 is: 73,380,983.70
Step by Step Solution
- Step 1: Write the proportion equation
74,748,688.40 : 112,123,032.60 = 48,920,655.80 : x - Step 2: Convert to fraction form
74,748,688.40/112,123,032.60 = 48,920,655.80/x - Step 3: Cross multiply
74,748,688.40x = 112,123,032.60 × 48,920,655.80 - Step 4: Simplify right side
74,748,688.40x = 5,485,132,285,076,778 - Step 5: Solve for x
x = 5,485,132,285,076,778/74,748,688.40 - Step 6: Final answer
x = 73,380,983.70
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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.