Finding the Fourth Proportional to 216,019,041.17, 323,897,341.52 and 84,703,988.23
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Solution
The fourth proportional to 216,019,041.17, 323,897,341.52 and 84,703,988.23 is: 127,004,529.12
Step by Step Solution
- Step 1: Write the proportion equation
216,019,041.17 : 323,897,341.52 = 84,703,988.23 : x - Step 2: Convert to fraction form
216,019,041.17/323,897,341.52 = 84,703,988.23/x - Step 3: Cross multiply
216,019,041.17x = 323,897,341.52 × 84,703,988.23 - Step 4: Simplify right side
216,019,041.17x = 27,435,396,603,838,372 - Step 5: Solve for x
x = 27,435,396,603,838,372/216,019,041.17 - Step 6: Final answer
x = 127,004,529.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.