Finding the Fourth Proportional to 157,572,028.80, 235,791,172.80 and 106,553,692.80
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Solution
The fourth proportional to 157,572,028.80, 235,791,172.80 and 106,553,692.80 is: 159,447,208.89
Step by Step Solution
- Step 1: Write the proportion equation
157,572,028.80 : 235,791,172.80 = 106,553,692.80 : x - Step 2: Convert to fraction form
157,572,028.80/235,791,172.80 = 106,553,692.80/x - Step 3: Cross multiply
157,572,028.80x = 235,791,172.80 × 106,553,692.80 - Step 4: Simplify right side
157,572,028.80x = 25,124,420,191,482,916 - Step 5: Solve for x
x = 25,124,420,191,482,916/157,572,028.80 - Step 6: Final answer
x = 159,447,208.89
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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.