Finding the Fourth Proportional to 191,705,913.98, 264,566,017.01 and 105,776,033.99
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Solution
The fourth proportional to 191,705,913.98, 264,566,017.01 and 105,776,033.99 is: 145,977,468.44
Step by Step Solution
- Step 1: Write the proportion equation
191,705,913.98 : 264,566,017.01 = 105,776,033.99 : x - Step 2: Convert to fraction form
191,705,913.98/264,566,017.01 = 105,776,033.99/x - Step 3: Cross multiply
191,705,913.98x = 264,566,017.01 × 105,776,033.99 - Step 4: Simplify right side
191,705,913.98x = 27,984,744,006,989,088 - Step 5: Solve for x
x = 27,984,744,006,989,088/191,705,913.98 - Step 6: Final answer
x = 145,977,468.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.