Finding the Fourth Proportional to 73,695,353.80, 110,543,030.70 and 56,689,241.80
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Solution
The fourth proportional to 73,695,353.80, 110,543,030.70 and 56,689,241.80 is: 85,033,862.70
Step by Step Solution
- Step 1: Write the proportion equation
73,695,353.80 : 110,543,030.70 = 56,689,241.80 : x - Step 2: Convert to fraction form
73,695,353.80/110,543,030.70 = 56,689,241.80/x - Step 3: Cross multiply
73,695,353.80x = 110,543,030.70 × 56,689,241.80 - Step 4: Simplify right side
73,695,353.80x = 6,266,600,596,657,123 - Step 5: Solve for x
x = 6,266,600,596,657,123/73,695,353.80 - Step 6: Final answer
x = 85,033,862.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.