Finding the Fourth Proportional to 42,102,434.23, 58,158,226.61 and 31,726,878.99
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Solution
The fourth proportional to 42,102,434.23, 58,158,226.61 and 31,726,878.99 is: 43,825,946.21
Step by Step Solution
- Step 1: Write the proportion equation
42,102,434.23 : 58,158,226.61 = 31,726,878.99 : x - Step 2: Convert to fraction form
42,102,434.23/58,158,226.61 = 31,726,878.99/x - Step 3: Cross multiply
42,102,434.23x = 58,158,226.61 × 31,726,878.99 - Step 4: Simplify right side
42,102,434.23x = 1,845,179,017,849,179.75 - Step 5: Solve for x
x = 1,845,179,017,849,179.75/42,102,434.23 - Step 6: Final answer
x = 43,825,946.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.