Finding the Fourth Proportional to 58,977,515.82, 88,506,113.58 and 20,639,362.08
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Solution
The fourth proportional to 58,977,515.82, 88,506,113.58 and 20,639,362.08 is: 30,972,985.20
Step by Step Solution
- Step 1: Write the proportion equation
58,977,515.82 : 88,506,113.58 = 20,639,362.08 : x - Step 2: Convert to fraction form
58,977,515.82/88,506,113.58 = 20,639,362.08/x - Step 3: Cross multiply
58,977,515.82x = 88,506,113.58 × 20,639,362.08 - Step 4: Simplify right side
58,977,515.82x = 1,826,709,724,471,224.75 - Step 5: Solve for x
x = 1,826,709,724,471,224.75/58,977,515.82 - Step 6: Final answer
x = 30,972,985.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.