Finding the Fourth Proportional to 92,781,762.83, 128,039,130.82 and 51,528,653.99
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Solution
The fourth proportional to 92,781,762.83, 128,039,130.82 and 51,528,653.99 is: 71,109,708.07
Step by Step Solution
- Step 1: Write the proportion equation
92,781,762.83 : 128,039,130.82 = 51,528,653.99 : x - Step 2: Convert to fraction form
92,781,762.83/128,039,130.82 = 51,528,653.99/x - Step 3: Cross multiply
92,781,762.83x = 128,039,130.82 × 51,528,653.99 - Step 4: Simplify right side
92,781,762.83x = 6,597,684,069,588,634 - Step 5: Solve for x
x = 6,597,684,069,588,634/92,781,762.83 - Step 6: Final answer
x = 71,109,708.07
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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.