Finding the Fourth Proportional to 99,219,711.80, 148,829,567.70 and 73,710,543.80
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Solution
The fourth proportional to 99,219,711.80, 148,829,567.70 and 73,710,543.80 is: 110,565,815.70
Step by Step Solution
- Step 1: Write the proportion equation
99,219,711.80 : 148,829,567.70 = 73,710,543.80 : x - Step 2: Convert to fraction form
99,219,711.80/148,829,567.70 = 73,710,543.80/x - Step 3: Cross multiply
99,219,711.80x = 148,829,567.70 × 73,710,543.80 - Step 4: Simplify right side
99,219,711.80x = 10,970,308,368,685,914 - Step 5: Solve for x
x = 10,970,308,368,685,914/99,219,711.80 - Step 6: Final answer
x = 110,565,815.70
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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.