Finding the Fourth Proportional to 149,121,705.27, 205,681,947.78 and 99,537,078.99
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Solution
The fourth proportional to 149,121,705.27, 205,681,947.78 and 99,537,078.99 is: 137,290,411.52
Step by Step Solution
- Step 1: Write the proportion equation
149,121,705.27 : 205,681,947.78 = 99,537,078.99 : x - Step 2: Convert to fraction form
149,121,705.27/205,681,947.78 = 99,537,078.99/x - Step 3: Cross multiply
149,121,705.27x = 205,681,947.78 × 99,537,078.99 - Step 4: Simplify right side
149,121,705.27x = 20,472,980,282,994,916 - Step 5: Solve for x
x = 20,472,980,282,994,916/149,121,705.27 - Step 6: Final answer
x = 137,290,411.52
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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.