Finding the Fourth Proportional to 70,739,737.74, 106,109,606.61 and 19,621,756.62
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Solution
The fourth proportional to 70,739,737.74, 106,109,606.61 and 19,621,756.62 is: 29,432,634.93
Step by Step Solution
- Step 1: Write the proportion equation
70,739,737.74 : 106,109,606.61 = 19,621,756.62 : x - Step 2: Convert to fraction form
70,739,737.74/106,109,606.61 = 19,621,756.62/x - Step 3: Cross multiply
70,739,737.74x = 106,109,606.61 × 19,621,756.62 - Step 4: Simplify right side
70,739,737.74x = 2,082,056,875,945,363.25 - Step 5: Solve for x
x = 2,082,056,875,945,363.25/70,739,737.74 - Step 6: Final answer
x = 29,432,634.93
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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.